Meaning of the word discriminant in English

What does discriminant mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

discriminant

US /dɪˈskrɪm.ɪ.nənt/
UK /dɪˈskrɪm.ɪ.nənt/

Noun

In mathematics, an expression that determines the nature of the roots of a polynomial equation, especially a quadratic equation.

Example:
The discriminant of a quadratic equation ax² + bx + c = 0 is b² - 4ac.
A positive discriminant indicates two distinct real roots.

Adjective

serving to distinguish or differentiate

Example:
The ability to speak multiple languages is a highly discriminant factor in this job application.
The new test provides a more discriminant measure of cognitive ability.