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interactant

[ in-ter-ak-tuhnt ]
/ ˌɪn tərˈæk tənt /
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noun
a person or thing that interacts.
Chemistry. reactant (def. 2).
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Origin of interactant

First recorded in 1945–50; interact + -ant
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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