Reagent Re*a"gent (r[-e]*[=a]"jent), n. (Chem.) A substance capable of producing with another a reaction, especially when employed to detect the presence of other bodies; a test. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • reagent — noun Etymology: New Latin reagent , reagens, present participle of reagere to react more at react Date: 1797 a substance used (as in detecting or measuring a component, in preparing a product, or in developing photographs) because of its chemical …   New Collegiate Dictionary

  • reagent — [[t]rie͟ɪʤənt[/t]] reagents N COUNT A reagent is a substance that is used to cause a chemical reaction. Reagents are often used in order to indicate the presence of another substance. [TECHNICAL] …   English dictionary

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