Tetra (disambiguation)
Encyclopedia
Tetra is a numerical prefix
that refers to four. It may also refer to:
Numerical prefix
Number prefixes are prefixes derived from numbers or numerals. In English and other European languages, they are used to coin numerous series of words, such as unicycle – bicycle – tricycle, dyad – triad – decade, biped – quadruped, September – October – November – December, decimal – hexadecimal,...
that refers to four. It may also refer to:
- TetraTetrathumb|right|250px|Pristella tetra — [[Pristella maxillaris]].thumb|right|250px|Golden Pristella tetra, a [[morph |morph]] of [[Pristella maxillaris]].thumb|right|250px|[[Silvertip tetra]] — Hasemania nana....
, a South American freshwater fish in the family Characidae - Tetra CompanyTetra CompanyTetra or the Tetra Werke is a world leading fish food manufacturing company founded by a young German scientist, Dr. Ulrich Baensch.-History and profile:...
, a supplier of aquarium equipment and fish food - Terrestrial Trunked RadioTerrestrial Trunked RadioTerrestrial Trunked Radio is a professional mobile radio and two-way transceiver specification...
(TETRA), a standard for encrypted radio networks - Tetra, a character in The Legend of Zelda: The Wind WakerThe Legend of Zelda: The Wind WakerThe Legend of Zelda: The Wind Waker, released as in Japan, is an action-adventure game and the tenth installment in The Legend of Zelda series. It was released for the Nintendo GameCube in Japan on December 13, 2002, in North America on March 24, 2003, in Europe on May 2, 2003, and in Australia on...
and The Legend of Zelda: Phantom HourglassThe Legend of Zelda: Phantom Hourglassis the fourteenth game in Nintendo's The Legend of Zelda series. It was released after The Legend of Zelda: Twilight Princess for the Wii and before The Legend of Zelda: Spirit Tracks for the Nintendo DS... - Tetra Galaxy, the fictional galaxy in the game Metroid Prime HuntersMetroid Prime HuntersMetroid Prime Hunters is a first-person shooter and adventure game for the Nintendo DS handheld video game console. It was developed by American video game developers Nintendo Software Technology, and was released by Nintendo in North America in March 2006, in Europe and Australia in May 2006, and...
- Mitsubishi TETRAMitsubishi TETRAThe Mitsubishi TETRA is a concept car developed by Japanese automaker Mitsubishi Motors. It was first exhibited at the 57th Frankfurt Motor Show in 1997 as the Mitsubishi Technas, before being displayed at the 32nd Tokyo Motor Show as the TETRA later the same year...
, a concept car - Tetra JSCTetra JSCTetra, JSC is a Ukrainian company, manufacturer of devices and equipment for searching and measuring of ionizing radiations. The company was founded in 1995. Head office and manufacturing facilities are based in Zhovti Vody...
, manufacturer of appliances and apparatus for searching and measuring ionizing radiationIonizing radiationIonizing radiation is radiation composed of particles that individually have sufficient energy to remove an electron from an atom or molecule. This ionization produces free radicals, which are atoms or molecules containing unpaired electrons...
(dosimeterDosimeterDosimeters measure an individual's or an object'sexposure to something in the environment — particularly to a hazard inflicting cumulative impact over long periods of time, or over a lifetime...
, radiometerRadiometerA radiometer is a device for measuring the radiant flux of electromagnetic radiation. Generally, the term radiometer denotes an infrared radiation detector, yet it also includes detectors operating on any electromagnetic wavelength....
etc.) - Tetra PakTetra PakTetra Pak is a multinational food processing and packaging company of Swedish origin. It was founded in 1951 in Lund, Sweden, by Ruben Rausing. It was Erik Wallenberg who invented the tetrahedral package, today known as Tetra Classic...
, a multinational food processing and packaging company of Swedish origin - QuadriplegiaQuadriplegiaTetraplegia, also known as quadriplegia, is paralysis caused by illness or injury to a human that results in the partial or total loss of use of all their limbs and torso; paraplegia is similar but does not affect the arms...
is also known as tetraplegia, shortened to tetra. - Tetra TechTetra TechTetra Tech is a provider of consulting, engineering, construction and technical services which includes resource management and infrastructure, based out of Pasadena, CA. With approximately 12,000 employees in various countries, including individuals with expertise in science, research,...
, an environmental engineering and resource management firm - tetraethyllead the chemical that is added to make leaded petrol