discriminant

noun
dis·​crim·​i·​nant | \-ˈkri-mə-nənt \

Definition of discriminant 

: a mathematical expression providing a criterion for the behavior of another more complicated expression, relation, or set of relations

First Known Use of discriminant

circa 1948, in the meaning defined above

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The first known use of discriminant was circa 1948

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Britannica English: Translation of discriminant for Arabic Speakers

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