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dichotomous key

noun

Definition of dichotomous key

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

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First Known Use of dichotomous key

circa 1889

Other Biology Terms

autochthonous, fecund, homunculus, phylogeny, substrate

Medical Dictionary

dichotomous key

noun

Medical Definition of dichotomous key

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

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