Definition
noun
A reference tool consisting of three or more characters at each branching point for use in identifying species.
Supplement
Word origin: poly- (many) + New Latin -tomia, from Greek -tomiā, from tomos, a cutting, from temnein, to cut.
Compare: dichotomous key
Definition noun A reference tool consisting of three or more characters at each branching point for use in identifying species. Supplement Word origin: poly- (many) + New Latin -tomia, from Greek -tomiā, from tomos, a cutting, from temnein, to cut. Compare: dichotomous key..
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