| 释义 |
Collins Concise English Dictionary © HarperCollins Publishers:: tetra-, (before a vowel)tetr- combining form - four: tetrameter
Etymology: from Greek tet•ra (te′trə),USA pronunciation n. - Fishany of several tropical, freshwater fishes of the family Characidae, often kept in aquariums.
- shortening of Neo-Latin Tetragonopterus former genus name. See tetragon, -o-, -pterous 1930–35
- a combining form meaning "four,'' used in the formation of compound words:tetrabranchiate.
Also,[esp. before a vowel,] tetr-. - Greek, combining form of téttara, neuter of téttares four
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