2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Tetra- \Tet"ra-\ [Gr. te`tra-, from te`sares, te`ttares, four
See {Four}.]
1. A combining form or prefix signifying four as in
tetrabasic, tetrapetalous.
2. (Chem.) A combining form (also used adjectively) denoting
four proportional or combining parts of the substance or
ingredient denoted by the term to which it is prefixed, as
in tetra-chloride, tetroxide.
From WordNet r 1.6 [wn]:
tetra
n : brightly colored tropical freshwater fishes
more about tetra
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