Zero (disambiguation)

# Zero (disambiguation)

Overview
Zero is the name for both the digit 0 and the number 0.

Zero may also refer to:

• Zero (complex analysis)
Zero (complex analysis)
In complex analysis, a zero of a holomorphic function f is a complex number a such that f = 0.-Multiplicity of a zero:A complex number a is a simple zero of f, or a zero of multiplicity 1 of f, if f can be written asf=g\,where g is a holomorphic function g such that g is not zero.Generally, the...

, in mathematics, a root of a holomorphic function
• Zero element
Zero element
In mathematics, a zero element is one of several generalizations of the number zero to other algebraic structures. These alternate meanings may or may not reduce to the same thing, depending on the context.-Additive identities:...

, in mathematics, a generalization of the number zero to other algebraic structures
• Zero of a function, in mathematics, a root of a function
• Signed zero, a zero with an associated sign
• A theoretical number relating to the consistency of set theory, 0#
Zero sharp
In the mathematical discipline of set theory, 0# is the set of true formulas about indiscernibles in the Gödel constructible universe. It is often encoded as a subset of the integers , or as a subset of the hereditarily finite sets, or as a real number...

• Another such theoretical number, 0
Zero dagger
In set theory, 0† is a particular subset of the natural numbers, first defined by Robert M. Solovay in unpublished work in the 1960s. The definition is a bit awkward, because there might be no set of natural numbers satisfying the conditions...

• Zero (band), a psychedelic rock band
• Zero (Indian band)
Zero (Indian band)
Zero is an Indian rock band that started in the late 90s. Zero performed their last gig at Independence Rock XXIII on 30 August 2008, after which the band members split to go their own way. However, the band played a one off tour in December 2009 with their original line-up...

, an Indian rock band
• The Zeros (American band), a California punk rock
Punk rock
Punk rock is a rock music genre that developed between 1974 and 1976 in the United States, the United Kingdom, and Australia. Rooted in garage rock and other forms of what is now known as protopunk music, punk rock bands eschewed perceived excesses of mainstream 1970s rock...

band
• The Zeros (UK band)
The Zeros (UK band)
The Zeros were one of the early English punk groups, as chronicled in Henrik Poulsen's book 77: The Year of Punk and New Wave. They released a single called "Hungry" in November 1977 on the Small Wonder Records label....

, a British band
• Zero (Spanish magazine)
Zero (Spanish magazine)
Zero was a Spanish gay magazine. It was published monthly and features opinion, gay news, articles, interviews and tourism. Some months, the magazines features also the ZDM , Cuídate , Decora and Destino supplements....

, a Spanish gay-themed magazine
• Zero (video game magazine), a video game magazine
• Zero (manhwa)
Zero (manhwa)
Zero is a Korean manhwa written by Dall-Young Lim and illustrated by Park Sung-woo Based on a popular series of Korean eroge of the same title. The manhwa was serialized into 69 chapters. The individual chapters were published into 10 bound volumes by Daiwon C.I...

, a Korean manhwa by Dall-Young Lim and Park Sung-woo
• "Zero" (song)
Zero (song)
"Zero" is a song by American alternative rock band The Smashing Pumpkins. It was the third single from their third album, Mellon Collie and the Infinite Sadness, and was a return to the familiar angsty rock of the first single, "Bullet with Butterfly Wings". This style of their music was called...

, by The Smashing Pumpkins
• "Zero" (Aiko Ikuta song)
• "Zero" (Hawk Nelson song)
Zero (Hawk Nelson song)
"Zero" is a song by the Christian alternative rock band, Hawk Nelson, from their album Smile, It's The End of the World. The song itself is about someone Jason Dunn, the vocalist for Hawk Nelson, knew who committed suicide. The song was released as a single on May 30, 2007 in the USA and Canada...

• "Zero" (Yeah Yeah Yeahs song)
Zero (Yeah Yeah Yeahs song)
"Zero" is the first single released by the Yeah Yeah Yeahs from their third album, It's Blitz!, on February 24, 2009.On March 11, 2009, Zero was added to BBC Radio 1's 'C Playlist' and then to their 'B Playlist', but has since dropped off....

• "ZERO", a song by Janne Da Arc
Janne Da Arc
is a Japanese rock band from Hirakata, Osaka. The band's name is often seen shortened to either "Janne" or "JDA".- Career :The band is currently signed to the Motorod record label, which is owned by Avex Group...

• "Zero", a song by Deathray
Deathray
Deathray was a band from Sacramento, California formed by former Cake members Greg Brown and Victor Damiani, and Dana Gumbiner, a musician formerly of the Sacramento indie band Little Guilt Shrine....

• "Zero", an episode of the television series Smallville
• Zero Effect
Zero Effect
Zero Effect is a 1998 mystery film written and directed by Jake Kasdan . It stars Bill Pullman as "the world's most private detective" Daryl Zero and Ben Stiller as his assistant Steve Arlo....

, a film starring Ben Stiller and Bill Pullman
• Zero Girl
Zero Girl
Zero Girl is a five-issue comic book written and illustrated by Sam Kieth, published by Homage Comics.The plot concerns high school student Amy Smootster, and her attempts to start a relationship with her guidance counselor Tim...

, a Homage comic book series
• Count Zero
Count Zero
Count Zero is a science fiction novel written by William Gibson, originally published 1986. It is the second volume of the Sprawl trilogy, which begins with Neuromancer and concludes with Mona Lisa Overdrive, and is a canonical example of the cyberpunk sub-genre.Count Zero was serialized by Isaac...

, a science fiction novel by William Ford Gibson
• Wing Gundam Zero, a fictional mecha in Mobile Suit Gundam Wing media
• The ZERO system, the combat system used by the Wing Gundam Zero
• Zero (art)
Zero (art)
Zero is a group of artists founded by Heinz Mack and Otto Piene willing to became an international art movement.- History :Zero was the name of a magazine founded in 1957 by Heinz Mack officially disappeared in 1967....

, an international art movement
Art movement
An art movement is a tendency or style in art with a specific common philosophy or goal, followed by a group of artists during a restricted period of time, or, at least, with the heyday of the movement defined within a number of years...

.

• Zero (Kirby), a character in Kirby media
• Zero (Mega Man)
Zero (Mega Man)
is a video game character present throughout the Mega Man franchise. First appearing in the 1993 game Mega Man X for the Super Nintendo, Zero has since been the star of the Mega Man Zero series and has played a supporting role in other game series such as the Mega Man ZX series.First developed by...

, a character in Mega Man media
• Zero (Battle Arena Toshinden), a character in the Battle Arena Toshinden universe
• Zero (O-Parts Hunter), a character in the O-Parts Hunter universe
• Zero (Beetle Bailey), a character in the Beetle Bailey universe
• Zero (Code Geass) or Lelouch Lamperouge, the main character in the Code Geass universe
• Zero (comics)
Zero (comics)
Zero is a fictional android in the Marvel Comics Universe. It first appeared in New Mutants as a member of the Mutant Liberation Front and was killed in Excalibur #80.-Fictional character biography:...

, a Marvel comic book character
• Zero (Digimon) or Zeromaru, a character in Digimon media
• Zero (Dragon Ball) or Son Goku, the main character in Dragon Ball media
• Zero (The Nightmare Before Christmas), a ghost dog owned by Jack Skellington, the main character in The Nightmare Before Christmas media
• Zero (Grand Theft Auto), a character in the Grand Theft Auto universe
• Zero (Holes) or Hector Zeroni, a character in the Holes universe
• Zero (Marvel Comics)
Zero (Marvel Comics)
Zero is a fictional comic book superhero appearing in books published by Marvel Comics. The character first appeared in Generation Hope #1, in the final chapter of the "Five Lights" storyline, and the first storyline of the Generation Hope book...

, a mutant (Kenji Uedo) in the Marvel Universe
• ZERO (Sonic the Hedgehog) or E-100 Alpha, a robot in Sonic the Hedgehog media
• Zero (Tenchi Muyo!)
Zero (Tenchi Muyo!)
is a fictional character in the Tenchi Muyo! anime series.Zero is a creation of Dr. Clay, and possesses the ability to mimic another being, including that individual's memories. Using this talent, she abducts and temporarily replaces Ryoko....

, a character in the Tenchi Muyo! universe
• Zero (The King of Fighters), a character in The King of Fighters media
• Zero Kiryu, a character in Vampire Knight media
• Darryl Zero (Zero Effect), a character in the Zero Effect universe
• Kenshiro "Zero" Cochrane, a Marvel comic book superhero
• Zero (Cosmo Warrior Zero), a character in the Cosmo Warrior Zero universe
• Louise the Zero or Louise, a character in Zero no Tsukaima media
• Major Zero, a character in the Metal Gear Solid universe
• Sergeant Major Zero, a character in the Terrahawks universe
• Mr.
Discussion
 Ask a question about 'Zero (disambiguation)' Start a new discussion about 'Zero (disambiguation)' Answer questions from other users Full Discussion Forum

Recent Discussions
Encyclopedia
Zero is the name for both the digit 0 and the number 0.

Zero may also refer to:

## Mathematics

• Zero (complex analysis)
Zero (complex analysis)
In complex analysis, a zero of a holomorphic function f is a complex number a such that f = 0.-Multiplicity of a zero:A complex number a is a simple zero of f, or a zero of multiplicity 1 of f, if f can be written asf=g\,where g is a holomorphic function g such that g is not zero.Generally, the...

, in mathematics, a root of a holomorphic function
• Zero element
Zero element
In mathematics, a zero element is one of several generalizations of the number zero to other algebraic structures. These alternate meanings may or may not reduce to the same thing, depending on the context.-Additive identities:...

, in mathematics, a generalization of the number zero to other algebraic structures
• Zero of a function, in mathematics, a root of a function
• Signed zero, a zero with an associated sign
• A theoretical number relating to the consistency of set theory, 0#
Zero sharp
In the mathematical discipline of set theory, 0# is the set of true formulas about indiscernibles in the Gödel constructible universe. It is often encoded as a subset of the integers , or as a subset of the hereditarily finite sets, or as a real number...

• Another such theoretical number, 0
Zero dagger
In set theory, 0† is a particular subset of the natural numbers, first defined by Robert M. Solovay in unpublished work in the 1960s. The definition is a bit awkward, because there might be no set of natural numbers satisfying the conditions...

## Modern culture

• Zero (band), a psychedelic rock band
• Zero (Indian band)
Zero (Indian band)
Zero is an Indian rock band that started in the late 90s. Zero performed their last gig at Independence Rock XXIII on 30 August 2008, after which the band members split to go their own way. However, the band played a one off tour in December 2009 with their original line-up...

, an Indian rock band
• The Zeros (American band), a California punk rock
Punk rock
Punk rock is a rock music genre that developed between 1974 and 1976 in the United States, the United Kingdom, and Australia. Rooted in garage rock and other forms of what is now known as protopunk music, punk rock bands eschewed perceived excesses of mainstream 1970s rock...

band
• The Zeros (UK band)
The Zeros (UK band)
The Zeros were one of the early English punk groups, as chronicled in Henrik Poulsen's book 77: The Year of Punk and New Wave. They released a single called "Hungry" in November 1977 on the Small Wonder Records label....

, a British band
• Zero (Spanish magazine)
Zero (Spanish magazine)
Zero was a Spanish gay magazine. It was published monthly and features opinion, gay news, articles, interviews and tourism. Some months, the magazines features also the ZDM , Cuídate , Decora and Destino supplements....

, a Spanish gay-themed magazine
• Zero (video game magazine), a video game magazine
• Zero (manhwa)
Zero (manhwa)
Zero is a Korean manhwa written by Dall-Young Lim and illustrated by Park Sung-woo Based on a popular series of Korean eroge of the same title. The manhwa was serialized into 69 chapters. The individual chapters were published into 10 bound volumes by Daiwon C.I...

, a Korean manhwa by Dall-Young Lim and Park Sung-woo
• "Zero" (song)
Zero (song)
"Zero" is a song by American alternative rock band The Smashing Pumpkins. It was the third single from their third album, Mellon Collie and the Infinite Sadness, and was a return to the familiar angsty rock of the first single, "Bullet with Butterfly Wings". This style of their music was called...

, by The Smashing Pumpkins
• "Zero" (Aiko Ikuta song)
• "Zero" (Hawk Nelson song)
Zero (Hawk Nelson song)
"Zero" is a song by the Christian alternative rock band, Hawk Nelson, from their album Smile, It's The End of the World. The song itself is about someone Jason Dunn, the vocalist for Hawk Nelson, knew who committed suicide. The song was released as a single on May 30, 2007 in the USA and Canada...

• "Zero" (Yeah Yeah Yeahs song)
Zero (Yeah Yeah Yeahs song)
"Zero" is the first single released by the Yeah Yeah Yeahs from their third album, It's Blitz!, on February 24, 2009.On March 11, 2009, Zero was added to BBC Radio 1's 'C Playlist' and then to their 'B Playlist', but has since dropped off....

• "ZERO", a song by Janne Da Arc
Janne Da Arc
is a Japanese rock band from Hirakata, Osaka. The band's name is often seen shortened to either "Janne" or "JDA".- Career :The band is currently signed to the Motorod record label, which is owned by Avex Group...

• "Zero", a song by Deathray
Deathray
Deathray was a band from Sacramento, California formed by former Cake members Greg Brown and Victor Damiani, and Dana Gumbiner, a musician formerly of the Sacramento indie band Little Guilt Shrine....

• "Zero", an episode of the television series Smallville
• Zero Effect
Zero Effect
Zero Effect is a 1998 mystery film written and directed by Jake Kasdan . It stars Bill Pullman as "the world's most private detective" Daryl Zero and Ben Stiller as his assistant Steve Arlo....

, a film starring Ben Stiller and Bill Pullman
• Zero Girl
Zero Girl
Zero Girl is a five-issue comic book written and illustrated by Sam Kieth, published by Homage Comics.The plot concerns high school student Amy Smootster, and her attempts to start a relationship with her guidance counselor Tim...

, a Homage comic book series
• Count Zero
Count Zero
Count Zero is a science fiction novel written by William Gibson, originally published 1986. It is the second volume of the Sprawl trilogy, which begins with Neuromancer and concludes with Mona Lisa Overdrive, and is a canonical example of the cyberpunk sub-genre.Count Zero was serialized by Isaac...

, a science fiction novel by William Ford Gibson
• Wing Gundam Zero, a fictional mecha in Mobile Suit Gundam Wing media
• The ZERO system, the combat system used by the Wing Gundam Zero
• Zero (art)
Zero (art)
Zero is a group of artists founded by Heinz Mack and Otto Piene willing to became an international art movement.- History :Zero was the name of a magazine founded in 1957 by Heinz Mack officially disappeared in 1967....

, an international art movement
Art movement
An art movement is a tendency or style in art with a specific common philosophy or goal, followed by a group of artists during a restricted period of time, or, at least, with the heyday of the movement defined within a number of years...

.

## Fictional characters

• Zero (Kirby), a character in Kirby media
• Zero (Mega Man)
Zero (Mega Man)
is a video game character present throughout the Mega Man franchise. First appearing in the 1993 game Mega Man X for the Super Nintendo, Zero has since been the star of the Mega Man Zero series and has played a supporting role in other game series such as the Mega Man ZX series.First developed by...

, a character in Mega Man media
• Zero (Battle Arena Toshinden), a character in the Battle Arena Toshinden universe
• Zero (O-Parts Hunter), a character in the O-Parts Hunter universe
• Zero (Beetle Bailey), a character in the Beetle Bailey universe
• Zero (Code Geass) or Lelouch Lamperouge, the main character in the Code Geass universe
• Zero (comics)
Zero (comics)
Zero is a fictional android in the Marvel Comics Universe. It first appeared in New Mutants as a member of the Mutant Liberation Front and was killed in Excalibur #80.-Fictional character biography:...

, a Marvel comic book character
• Zero (Digimon) or Zeromaru, a character in Digimon media
• Zero (Dragon Ball) or Son Goku, the main character in Dragon Ball media
• Zero (The Nightmare Before Christmas), a ghost dog owned by Jack Skellington, the main character in The Nightmare Before Christmas media
• Zero (Grand Theft Auto), a character in the Grand Theft Auto universe
• Zero (Holes) or Hector Zeroni, a character in the Holes universe
• Zero (Marvel Comics)
Zero (Marvel Comics)
Zero is a fictional comic book superhero appearing in books published by Marvel Comics. The character first appeared in Generation Hope #1, in the final chapter of the "Five Lights" storyline, and the first storyline of the Generation Hope book...

, a mutant (Kenji Uedo) in the Marvel Universe
• ZERO (Sonic the Hedgehog) or E-100 Alpha, a robot in Sonic the Hedgehog media
• Zero (Tenchi Muyo!)
Zero (Tenchi Muyo!)
is a fictional character in the Tenchi Muyo! anime series.Zero is a creation of Dr. Clay, and possesses the ability to mimic another being, including that individual's memories. Using this talent, she abducts and temporarily replaces Ryoko....

, a character in the Tenchi Muyo! universe
• Zero (The King of Fighters), a character in The King of Fighters media
• Zero Kiryu, a character in Vampire Knight media
• Darryl Zero (Zero Effect), a character in the Zero Effect universe
• Kenshiro "Zero" Cochrane, a Marvel comic book superhero
• Zero (Cosmo Warrior Zero), a character in the Cosmo Warrior Zero universe
• Louise the Zero or Louise, a character in Zero no Tsukaima media
• Major Zero, a character in the Metal Gear Solid universe
• Sergeant Major Zero, a character in the Terrahawks universe
• Mr. Zero or Mr. Freeze, a DC comic book supervillain
• Captain Zero, a character in the TUGS universe
• Zero (Pokémon), a character in the Pokémon universe
• Ultraman Zero, an Ultra Warrior that is the son of Ultra Seven.

## People

• Zero, active member in the band D'espairsRay
• Deltron Zero or Del tha Funkee Homosapien (born 1972), member of the group Deltron 3030
• João Zero (cartoonist) (born 1950), Brazilian illustrator
• Renato Zero
Renato Zero
Renato Zero is the stage name of Renato Fiacchini , an Italian singer-songwriter and showman whose career spans a full 6 decades, from the 1960s to the 2010s....

(born 1950), Italian singer/songwriter
• Zero Kazama
Zero Kazama
Zero Kazama is a Japanese-American actor best known for hosting the MTV game show Silent Library. He has also been on many other prominent television programs such as Lost, Chuck and Deadliest Warrior. In addition to acting, Zero is trained in Kung fu, Tae Kwon Do, Karate, fight choreography, and...

(born 1982), Japanese-American game show host
• Zero Mostel
Zero Mostel
Samuel Joel “Zero” Mostel was an American actor of stage and screen, best known for his portrayal of comic characters such as Tevye on stage in Fiddler on the Roof, Pseudolus on stage and on screen in A Funny Thing Happened on the Way to the Forum, and Max Bialystock in the original film version...

(1915–1977), American actor
• Zero (wrestler), (born 1982), Chinese professional wrestler

## Vehicles

• Mitsubishi A6M Zero
A6M Zero
The Mitsubishi A6M Zero was a long-range fighter aircraft operated by the Imperial Japanese Navy Air Service from 1940 to 1945. The A6M was designated as the , and also designated as the Mitsubishi A6M Rei-sen and Mitsubishi Navy 12-shi Carrier Fighter. The A6M was usually referred to by the...

, a Japanese fighter aircraft used in World War II, often called simply "Zero"
• Dome Zero
Dome Zero
The was a prototype sportscar from DOME Co. Ltd that was exhibited at the 48th Geneva Auto Show. The 'Dome Project', started by Minoru Hayashi in 1975, had the goal of producing small volume sports cars using knowledge gained from his racing exploits...

, a 1978 concept car
• Zero Motorcycles
Zero Motorcycles
Zero Motorcycles Inc. designs, manufactures, and sells high performance electric motorcycles. Formerly Electricross, it was started in 2006 near Santa Cruz, California in Scotts Valley. The company was founded by Neal Saiki who is a former NASA engineer and has also won numerous design awards in...

, an electric motorcycle company
• Zero X
Zero X
The Zero X is an electric motorcycle manufactured by Zero Motorcycles.-Specifications:The wheels are driven by hardened steel 420 chain and direct drive gearing.Braking is performed by six-piston calipers per axle, with front rotor....

, an off-road motorcycle
• Zero S
Zero S
The Zero S is an electric motorcycle manufactured by Zero Motorcycles.On 23 April 2009 the company announced it would establish a distribution network in the Canadian market while getting regulatory approval for selling the motorcycle in Canada...

, a street motorcycle

## Other uses

• Coca-Cola Zero
Coca-Cola Zero
Coca-Cola Zero or Coke Zero is a product of the Coca-Cola Company. It is a low-calorie variation of Coca-Cola specifically marketed to males, who were shown to associate 'diet' drinks with women....

, a soft drink by the Coca-Cola Company
• Size zero
Size Zero
Size 0 is a women's clothing size in the US catalog sizes system. Size 0 and 00 were invented due to the changing of clothing sizes over time , which has caused the adoption of lower numbers...

, a small dress size for women
• Zero and double zero, green bets in Roulette
Roulette
Roulette is a casino game named after a French diminutive for little wheel. In the game, players may choose to place bets on either a single number or a range of numbers, the colors red or black, or whether the number is odd or even....

• Zero Bar
ZERO bar
The ZERO candy bar, introduced in 1920, is a candy bar composed of a combination of caramel, peanut and almond nougat covered with a layer of white fudge...

, a candy bar manufactured by The Hershey Company
• Zero Halliburton
Zero Halliburton
Zero Halliburton is a company which manufactures hard-wearing travel cases and briefcases, mainly of aluminum. It was originally a metal fabrication company called Zierold Company, which in 1946 changed its name to Zero Corporation. In 1952 Zero, which until then had no relation to Halliburton,...

, a brand of luggage since 1938.
• Zero (linguistics)
Zero (linguistics)
A zero, in linguistics, is a constituent needed in an analysis but not realized in speech. This implies that there is a lack of an element where a theory would expect one. It is usually written with the symbol "", in Unicode .There are several kind of zeros....

, an element not realized in speech, as in a zero article
• Zero Skateboards
Zero Skateboards
Zero Skateboards is a skateboard company located in Carlsbad, California. It is part of the Black Box Distribution family. Zero decks are manufactured in Tijuana, Mexico, by Edieth and Osuna, which is owned by Jamie Thomas...

, a skateboarding company started by Jamie Thomas
• Zero tolerance
Zero tolerance
Zero tolerance imposes automatic punishment for infractions of a stated rule, with the intention of eliminating undesirable conduct. Zero-tolerance policies forbid persons in positions of authority from exercising discretion or changing punishments to fit the circumstances subjectively; they are...

, the removal of discretion in judgements
• Zero Township, Adams County, Nebraska
Zero Township, Adams County, Nebraska
Zero Township is one of sixteen townships in Adams County, Nebraska, United States. The population was 259 at the 2000 census. A 2006 estimate placed the township's population at 339.A portion of the Village of Ayr lies within the township.-External links:...

, a township in Nebraska
• Zero: The Biography of a Dangerous Idea, a book written by Charles Seife
Charles Seife
Charles Seife is an American author, journalist and professor.His first published book was Zero: The Biography of a Dangerous Idea. He had written within the scientific community for years before this, having done freelance work for New Scientist, Scientific American, The Economist, Science, Wired...

• Zero (game engine)
Zero (game engine)
Zero is a proprietary game engine created by Pandemic Studios. It was used first in the game Battlezone II: Combat Commander and later used in several Star Wars games including the popular Battlefront series. Battlezone II: Combat Commander and Dark Reign 2 both feature an in-engine editor...

## See also

• Year Zero (disambiguation)
Year zero (disambiguation)
Year Zero is the year before 1 AD used in astronomical calculations.Year Zero may also refer to:*Year Zero , the dating of the takeover of Cambodia by the Khmer RougeIn music:...

• Zero-based numbering
• 0
0
0 may refer to:* 0 , the integer between −1 and +1* 0 , a year used in some calendar systems* Slashed zero, a glyph used to distinguish the numeral 0 from the letter O...

• Ground zero (disambiguation)
Ground zero (disambiguation)
Ground zero describes the point on the Earth's surface closest to a detonation.Ground zero may also refer to:* Hypocenter, the site directly below, directly above, or at the point of detonation of an explosion...

• Calibration
Calibration
Calibration is a comparison between measurements – one of known magnitude or correctness made or set with one device and another measurement made in as similar a way as possible with a second device....

• List of zero terms
• Ziro
Ziro
Ziro is a census town in Lower Subansiri district in the Indian state of Arunachal Pradesh.-Geography:Ziro is the district headquarter of Lower Subansiri district and is one of the oldest towns in Arunachal Pradesh. It was the headquarters of the undivided Subansiri district comprising the present...

, a small town in Arunachal Pradesh, India
• Xero
Xero
Xero may refer to:*Xero , an Australian punk band*Xero , a precursor to the band Linkin Park*Xero *Xero *Xero , an online accounting system*Xero...

• Zeroisation
Zeroisation
In cryptography, zeroisation is the practice of erasing sensitive parameters from a cryptographic module to prevent their disclosure if the equipment is captured. This is generally accomplished by altering or deleting the contents to prevent recovery of the data...

• Names for the number 0
Names for the number 0
There are several names for the number 0 in English, and concomitant names for the decades where the tens column contains the number 0. Several names for the number 0 include "zero", "cipher", "naught", "nought", "love", "duck", "nil", "zilch", "zip", and "o"...

• Zeero
Zeero
-Purpose:* It is a more efficient way of writing zeros to a disk than using /dev/zero.* It is a way of removing sensitive data from a disk, or disk partition.* shred would be more secure, but is not installed by default on Tru64 systems....

, a Tru64 UNIX command/utility
• Subzero
Subzero
Subzero literally means "beneath zero." As such, it is usually used for negative numbers; the most common usage refers to negative temperature.Subzero can also refer to:-Fictional characters:...