descriptor

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noun de·scrip·tor \di-ˈskrip-tər\

Definition of descriptor

  1. :  something (such as a word or characteristic feature) that serves to describe or identify; especially :  a word or phrase (such as an index term) used to identify an item (such as a subject or document) in an information retrieval system

Origin and Etymology of descriptor

see describe


First Known Use: 1946


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feeling or affected by lethargy

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