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dichotomous key

noun

Definition of dichotomous key

: a key for the identification of organisms based on a series of choices between alternative characters

First Known Use of dichotomous key

circa 1889, in the meaning defined above

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More Definitions for dichotomous key

dichotomous key

noun

Medical Definition of dichotomous key

: a key for the identification of organisms based on a series of choices between alternative characters

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