determiner
noun
de·ter·min·er di-ˈtər-mə-nər 
: one that determines: such as
a
: gene
b
: a word (such as an article, possessive, demonstrative, or quantifier) that makes specific the denotation of a noun phrase
Example Sentences
Recent Examples on the Web From digestion-minded intermittent fasting to gut health as a determiner of youthful skin, digestive health and function have taken center stage in the wellness conversation. 
Rebecca Suhrawardi, Forbes, 17 Aug. 2022 In any case, the general popular opinion is that a nation-state is going to be the crucial determiner of attaining AGI. Lance Eliot, Forbes, 15 Aug. 2022 According to LPL Research, the key determiner to watch to indicate a market rebound is if the S&P can reach and maintain a level of 4200, which is the resistance threshold. Lucy Brewster, Fortune, 22 July 2022 The price of crude oil, a key determiner for gas prices, surpassed $110 a barrel Wednesday. Mike Snider, USA TODAY, 3 Mar. 2022 Wednesday, suddenly morphing into a newspaper editor and apparent determiner of article length. Brent Zwerneman, San Antonio Express-News, 2 Mar. 2022 The price of crude oil is a key determiner for prices at the pump. Editors, USA TODAY, 9 Feb. 2022 Later that year, serendipity joined persistence and temerity as a determiner of the drug’s fate. Stephanie Stone, Smithsonian Magazine, 2 Sep. 2021 Yet the dividend alone is not the sole determiner of value. Moneyshow, Forbes, 21 May 2021 See More
Rebecca Suhrawardi, Forbes, 17 Aug. 2022 In any case, the general popular opinion is that a nation-state is going to be the crucial determiner of attaining AGI. Lance Eliot, Forbes, 15 Aug. 2022 According to LPL Research, the key determiner to watch to indicate a market rebound is if the S&P can reach and maintain a level of 4200, which is the resistance threshold. Lucy Brewster, Fortune, 22 July 2022 The price of crude oil, a key determiner for gas prices, surpassed $110 a barrel Wednesday. Mike Snider, USA TODAY, 3 Mar. 2022 Wednesday, suddenly morphing into a newspaper editor and apparent determiner of article length. Brent Zwerneman, San Antonio Express-News, 2 Mar. 2022 The price of crude oil is a key determiner for prices at the pump. Editors, USA TODAY, 9 Feb. 2022 Later that year, serendipity joined persistence and temerity as a determiner of the drug’s fate. Stephanie Stone, Smithsonian Magazine, 2 Sep. 2021 Yet the dividend alone is not the sole determiner of value. Moneyshow, Forbes, 21 May 2021 See More Word History
First Known Use
circa 1530, in the meaning defined above
Kids Definition
determiner
noun
de·ter·min·er di-ˈtər-mə-nər
: a word belonging to a group of noun modifiers that can occur before descriptive adjectives modifying the same noun
"The" in "the red house" is a determiner.
Medical Definition
determiner
noun
de·ter·min·er -ˈtərm-(ə-)nər
: gene