Discriminant Definition

dĭ-skrĭmə-nənt
noun
An expression whose value or sign is used to classify functions.
Webster's New World
The definition of a discriminant is some distinguishing characteristic or feature that allows someone or something to be separated from others.
Whether a plant is an annual or a perennial is an example of a discriminant.
YourDictionary

(algebra) An expression that gives information about the roots of a polynomial; for example, the expression D = b2 - 4ac determines whether the roots of the quadratic equation ax2 + bx + c = 0 are real and distinct (D > 0), real and equal (D = 0) or complex (D < 0).

Wiktionary
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adjective

Serving to discriminate.

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Other Word Forms of Discriminant

Noun

Singular:
discriminant
Plural:
discriminants

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