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tetra

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(te′trə)

noun

any of a number of brightly colored, tropical American, characin fishes, often kept in aquariums

Origin: contr. < ModL Tetragonopterus, old genus designation < tetragonum, tetragon + -pterus, -pterous

four: tetrachord

also, before a vowel, tetr-

Origin: Gr tetra- < base of tettares, tessares, four < IE base *kwetwer- > four

See tetra in American Heritage Dictionary 4

noun

Any of numerous small colorful tropical freshwater fish of the family Characidae, such as the neon tetra, found in South America and Africa, and often kept in home aquariums. Also called characin.

Origin:

Origin: Short for New Latin Tetragōnopterīnī, group name

Origin: : Late Latin tetragōnum, tetragon; see tetragon

Origin: + Greek pteron, wing

or tetr-

prefix

Four: tetrode.
Containing four of a specified kind of atom, radical, or group: tetrachloride.

Origin:

Origin: Greek; see k^wetwer- in Indo-European roots

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