Signup       Login
Topic Index:
A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z   

Pygmalion (opera)
Pygmalion is a monodrama in one act by composer Georg Benda with a German libretto by Friedrich Wilhelm Gotter. The opera's first performance was at the Ekhof Theater, the court theatre in Gotha, on September 20, 1779. Pygmalion was the fourth of the five theatrical collaborations of Benda and Gotter. Gotter based his text on Jean-Jacques Rousseau's 1762 play Pygmalion

Pygmy is a term used for various ethnic groups worldwide whose average height is unusually short; anthropologists define pygmy as any group whose adult men grow to less than 150 cm in average height. A member of a slightly taller group is termed "pygmoid." The best known pygmies are the Aka, Efé and Mbuti of central Africa

Pygmy (novel)
-Plot:The plot revolves around a 13-year-old boy named Agent Number 67 from an unnamed, totalitarian state described as a "mash-up of North Korea, Cuba, Communist-era China, and Nazi-era Germany", as an exchange student to live with an American family from an unnamed Midwestern location as a sleeper agent to execute a terrorist attack on the United States codenamed "Operation Havoc"

Pyknosis, or karyopyknosis, is the irreversible condensation of chromatin in the nucleus of a cell undergoing necrosis or apoptosis. It is followed by karyorrhexis, or fragmentation of the nucleus.

The pylorus is the region of the stomach that connects to the duodenum . It is divided into two parts:* the pyloric antrum, which connects to the body of the stomach.* the pyloric canal, which connects to the duodenum.

Pyongyang is the capital of the Democratic People's Republic of Korea, commonly known as North Korea, and the largest city in the country. Pyongyang is located on the Taedong River and, according to preliminary results from the 2008 population census, has a population of 3,255,388. The city was split from the South P'yŏngan province in 1946

Pyongyang (disambiguation)
Pyongyang is the capital of North Korea.Pyongyang may also refer to:*Pyongyang , a graphic novel by Guy Delisle*Pyongyang Pyongyang must not be confused with:

Pyorrhoea is a Polish grindcore band formed in 2001 by Cyprian , Andy Blakk , and Daray .-Current members:* Krzysztof "Chryste" Rzetecki – vocals* Cyprian Konador – bass* Adrian "A.D

Pyr may refer to:*Pyruvic acid*Pyridine*Saint Pyr**Caldey Island, called "Ynys Pyr" in Welsh*Pyr *PYR is the IATA code for Andravida airbase*Pyr , a character in the Encantadia franchise

Pyr (SF&F Imprint)
Pyr is the science fiction and fantasy imprint of Prometheus Books, launched in March 2005 with the publication of John Meaney's Paradox.Prometheus Books' name was derived from Prometheus, the Titan from Greek mythology who gave fire to humans

Pyra (comics)
Pyra, aka Pretty Pyra, is a feminine alien lifeform from the future of Earth who can project fire in the DC Comics series Kamandi The Last Boy on Earth by Jack Kirby.

Pyra (urban-type settlement)
Pyra is an urban-type settlement in Nizhny Novgorod Oblast, Russia, located 35 km west of Nizhny Novgorod. Administratively, it is under the jurisdiction of the city of Dzerzhinsk. Population: 2,025 ; 2,313 .

Pyracantha is a genus of thorny evergreen large shrubs in the family Rosaceae, with common names Firethorn or Pyracantha. They are native to an area extending from Southeast Europe east to Southeast Asia, resemble and are related to Cotoneaster, but have serrated leaf margins and numerous thorns .The plants reach up to six metres

Pyramid (drinking game)
Pyramid or beeramid is a card game that is most commonly used as a drinking game.-Set up:One begins by creating a pyramid of cards by placing them face down on the table in rows . Next, the dealer passes out four cards to each player, face down

Pyramid (Gladiators)
Pyramid is an event played in several incarnations of the television series Gladiators. In this event played on a giant sponge Pyramid, two contenders must climb to the top whilst two Gladiators attempt to halt their progress.-Rules:

Pyramid (image processing)
Pyramid or pyramid representation is a type of multi-scale signal representation developed by the computer vision, image processing and signal processing communities, in which a signal or an image is subject to repeated smoothing and subsampling

Pyramid scheme
A pyramid scheme is a non-sustainable business model that involves promising participants payment or services, primarily for enrolling other people into the scheme, rather than supplying any real investment or sale of products or services to the public

Pyramidion (album)
Pyramidion is a 5 track EP by British band Ozric Tentacles. It was releasd in 2001 on Snapper Music. Only the title track on this EP is a new song; the rest are older tunes recorded live at the Boardwalk in Sheffield, UK.-Track listing:

A pyre , also known as a funeral pyre, is a structure, usually made of wood, for burning a body as part of a funeral rite

Pyrene is a polycyclic aromatic hydrocarbon consisting of four fused benzene rings, resulting in a flat aromatic system. The chemical formula is . This colourless solid is the smallest peri-fused PAH

Pyrene (mythology)
In Greek mythology, Pyrene may refer to:* Pyrene, daughter of King Bebrycius and a lover of Hercules. She bore a serpent and became so terrified that she fled to the woods where she died. Hercules created a tomb for her by piling up rocks thus forming the mountain range of the Pyrenees, named after her.* Pyrene, mother of Cycnus with Ares.

The Pyrenees is a range of mountains in southwest Europe that forms a natural border between France and Spain

Pyrenees (disambiguation)
Pyrenees may refer to any of three mountain ranges:* Pyrenees, on the Franco-Spanish border* Pyrenees , in south-eastern Australia* Montes Pyrenaeus, on the moonPyrenees may also refer to:

Pyrenees (roller coaster)
Pyrenees is a steel roller coaster at Parque Espana-Shima Spain Village in Japan.

Pyrex is a brand name for glassware, introduced by Corning Incorporated in 1915.Originally, Pyrex was made from borosilicate glass. In the 1940s the composition was changed for some products to tempered soda-lime glass, which is the most common form of glass used in glass bakeware in the US and has higher mechanical strength so is less vulnerable to breakage when dropped Pyrex is a brand name for glassware, introduced by Corning Incorporated in 1915.Originally, Pyrex was made from borosilicate glass. In the 1940s the composition was changed for some products to tempered soda-lime glass, which is the most common form of glass used in glass bakeware in the US and has higher mechanical strength so is less vulnerable to breakage when dropped Pyrex is a brand name for glassware, introduced by Corning Incorporated in 1915.Originally, Pyrex was made from borosilicate glass. In the 1940s the composition was changed for some products to tempered soda-lime glass, which is the most common form of glass used in glass bakeware in the US and has higher mechanical strength so is less vulnerable to breakage when dropped (the leading

Pyridine (data page)
- Material Safety Data Sheet : The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet for this chemical from a reliable source such as , and follow its directions

Pyridoxamine is a vitamer in the vitamin B6 family, which includes pyridoxal and pyridoxine. Pyridoxamine is converted to the biologically active form of vitamin B6, pyridoxal 5-phosphate, via the vitamin B6 salvage pathway. Vitamin B6 acts as an enzyme cofactor in a variety of metabolic processes

Pyridoxine is one of the compounds that can be called vitamin B6, along with pyridoxal and pyridoxamine. It differs from pyridoxamine by the substituent at the '4' position. It is often used as 'pyridoxine hydrochloride'.-Chemistry:

In geometry, a pyritohedron is an irregular dodecahedron with pyritohedral symmetry. Like the regular dodecahedron, it has twelve identical pentagonal faces, with three meeting in each of the 20 vertices. However, the pentagons are not regular, and the structure has no fivefold symmetry axes

Pyro (horse)
Pyro is an American Thoroughbred Stallion Racehorse. His sire is Pulpit, a son of the 1992 Eclipse Award Winner for American Horse of the Year, A.P. Indy

In taxonomy, Pyrococcus is a genus of the Thermococcaceae.- Description and significance :Pyrococcus has similar characteristics of other archaea such as Archaeoglobus, Thermoautotrophican, and Methanococcus in the respect that they are all thermophilic and anaerobic

Pyroelectricity is the ability of certain materials to generate a temporary voltage when they are heated or cooled. The change in temperature modifies the positions of the atoms slightly within the crystal structure, such that the polarization of the material changes. This polarization change gives rise to a voltage across the crystal

Pyrogen may refer to:* Pyrogen is a substance inducing fever* Pyrogen is a pyrotechnic composition producing flame when heated by e.g. a bridgewire

Pyrography is the art of decorating wood or other materials with burn marks resulting from the controlled application of a heated object such as a poker. It is also known as pokerwork or wood burning.

Pyroligneous acid
Pyroligneous acid, also called wood vinegar, is a dark liquid produced through the natural act of carbonization, which occurs when wood is heated in an airless container during charcoal production.-Chemical components:

Pyrolusite is a mineral consisting essentially of manganese dioxide and is important as an ore of manganese. It is a black, amorphous appearing mineral, often with a granular, fibrous or columnar structure, sometimes forming reniform crusts. It has a metallic luster, a black or bluish-black streak, and readily soils the fingers. The specific gravity is about 4.8

Pyromancy is the art of divination by means of fire.-History of pyromancy:Due to the importance of fire in society from the earliest of times, it is quite likely that pyromancy was one of the earlier forms of divination

Pyromania in more extreme circumstances can be an impulse control disorder to deliberately start fires to relieve tension or for gratification or relief. The term pyromania comes from the Greek word πῦρ . Pyromania and pyromaniacs are distinct from arson, the pursuit of personal, monetary or political gain, or the intent to inflict harm for advantage or revenge

A pyrometer is a non-contacting device that intercepts and measures thermal radiation, a process known as pyrometry.This device can be used to determine the temperature of an object's surface.

Pyromorphite is a mineral species composed of lead chlorophosphate: Pb53Cl, sometimes occurring in sufficient abundance to be mined as an ore of lead. Crystals are common, and have the form of a hexagonal prism terminated by the basal planes, sometimes combined with narrow faces of a hexagonal pyramid. Crystals with a barrel-like curvature are not uncommon

The mineral pyrope is a member of the garnet group. Pyrope is the only member of the garnet family to always display red colouration in natural samples, and it is from this characteristic that it gets its name: from the Greek for fire and eye. Despite being less common than most garnets, it is a widely used gemstone with numerous alternative names, some of which are misnomers

The term pyrophorus refers to a substance which spontaneously inflames on contact with the air; one of yellow color and blue fluorescence. In early use, the term was applied specifically to Homberg's pyrophorus, a substance made by heating alum with lampblack, flour, starch, or sugar.

In chemistry, the anion, the salts, and the esters of pyrophosphoric acid are called pyrophosphates. Any salt or ester containing two phosphate groups is called a diphosphate. As a food additive, diphosphates are known as E450.- Chemistry :

Pyrophosphoric acid
Pyrophosphoric acid, also known under the name diphosphoric acid, is colorless, odorless, hygroscopic and is soluble in water, diethyl ether, and ethyl alcohol. It is produced from phosphoric acid by dehydration. Pyrophosphoric acid slowly hydrolyzes in the presence of water into phosphoric acid.Pyrophosphoric acid is a medium strong inorganic acid

Pyrophyllite is a phyllosilicate mineral composed of aluminium silicate hydroxide: Al2Si4O102. It occurs in two more or less distinct varieties, namely, as crystalline folia and as compact masses; distinct crystals are not known.

The pyroxenes are a group of important rock-forming inosilicate minerals found in many igneous and metamorphic rocks. They share a common structure consisting of single chains of silica tetrahedra and they crystallize in the monoclinic and orthorhombic systems

A pyrrhic is a metrical foot used in formal poetry. It consists of two unaccented, short syllables. It is also known as a dibrach.Tennyson used pyrrhics and spondees quite frequently, for example, in In Memoriam: "When the blood creeps and the nerves prick." "When the" and "and the" in the second line may be considered as pyrrhics .Pyrrhics

Pyrrhic victory
A Pyrrhic victory is a victory with such a devastating cost to the victor that it carries the implication that another such victory will ultimately cause defeat.-Origin:

Pyrrhotite is an unusual iron sulfide mineral with a variable iron content: FeS . The FeS endmember is known as troilite. Pyrrhotite is also called magnetic pyrite because the color is similar to pyrite and it is weakly magnetic

Pyrrolines, also known under the name dihydropyrroles, are three different heterocyclic organic chemical compounds that differ in the position of the double bond. Pyrrolines are formally derived from the aromate pyrrole by hydrogenation

Pythagoras (sculptor)
Pythagoras of Samos was a statuary from Samos whom Pliny the Elder expressly distinguishes from the more renowned Pythagoras from Samos, who was a mathematician. Pliny does however say that the sculptor bore a remarkable personal likeness to the mathematician. There is no precise indication of his date

Pythagorean means of or pertaining to the ancient Ionian mathematician, philosopher, and music theorist Pythagoras. See:-Philosophy:* Pythagoreanism is a term used for the esoteric and metaphysical beliefs purported to have been held by Pythagoras.

Python is a common name for a member of Python , or more generally for any member of the family Pythonidae, the family to which the python genus belongs.Python may also refer to:In ancient Greece:

Python (Efteling)
Python is a double-loop Corkscrew roller coaster in the Efteling amusement park in the Netherlands. When it started operation, it was the largest steel roller coaster on the European mainland.-History and details:

A pyx or pix is a small round container used in the Catholic, Old Catholic and Anglican Churches to carry the consecrated host , to the sick or invalid or those otherwise unable to come to a church in order to receive Holy Communion