nucleic acid

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noun nu·cle·ic acid \nu̇-ˈklē-ik-, -ˈklā-, nyu̇-\

Definition of nucleic acid

  1. :  any of various complex organic acids (as DNA or RNA) that are composed of nucleotide chains

Origin and Etymology of nucleic acid

from their occurrence in cell nuclei


First Known Use: 1892


NUCLEIC ACID Defined for English Language Learners

nucleic acid

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noun nu·cle·ic acid \nu̇-ˈklē-ik-, -ˈklā-, nyu̇-\

Definition of nucleic acid for English Language Learners

  • : any of various acids (such as DNA or RNA) that are found in living cells


Medical Dictionary

nucleic acid

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noun nu·cle·ic acid \n(y)u̇-ˌklē-ik-, -ˌklā-\

Medical Definition of nucleic acid

  1. :  any of various acids (as an RNA or a DNA) composed of nucleotide chains


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