descriptor

noun

de·​scrip·​tor di-ˈskrip-tər How to pronounce descriptor (audio)
: 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

Examples of descriptor in a Sentence

Recent Examples on the Web
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Think of it as even more competition for our time in the present and future, future the operative descriptor in consideration of Anthropic’s $185 billion private valuation. John Tamny, Forbes.com, 7 Sep. 2025 That utilitarian descriptor may seem a bit uncharitable, but the fact is, the 2.0-liter, OHV inline-four is rugged, indefatigable and, making about 100 hp, sufficiently powerful to scoot the 2,100-pound roadster along at a nice pace. Robert Ross, Robb Report, 29 Aug. 2025 Each mugshot now features over a dozen watermarks of the Maricopa County Sheriff's Office logo and physical descriptors of individuals, such as height, weight, nationality, eye color and hair color — an issue the appeals court raised in last year's ruling — are no longer listed. Perry Vandell, AZCentral.com, 26 Aug. 2025 This little restaurant’s name uses clever wordplay as an apt descriptor for the level of heat the Mexican cafeteria brings to the table. Miguel Otárola, Denver Post, 21 Aug. 2025 See All Example Sentences for descriptor

Word History

Etymology

see describe

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of descriptor was in 1946

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Cite this Entry

“Descriptor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/descriptor. Accessed 9 Sep. 2025.

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