Definition of discriminant in English:

discriminant

noun

  • 1An agent or characteristic that enables things, people, or classes to be distinguished from one another.

    ‘anemia is commonly present in patients with both conditions, and is therefore not a helpful discriminant’
    • ‘Although there is general agreement that service quality and satisfaction are distinct constructs, some researchers have had difficulty establishing the discriminant validity of the two constructs.’
    • ‘We thus obtained measures of environmental and mammal community characteristics, independent of the discriminant analyses of macrohabitats.’
    • ‘Despite these high correlations, the analysis of discriminant validity shows that these are in fact three distinct constructs.’
    • ‘The relative impact of these characteristics was explored in discriminant analyses.’
    • ‘In order to assess significant characteristics of young people with different drug use patterns, discriminant analyses were also applied.’
    1. 1.1Mathematics A function of the coefficients of a polynomial equation whose value gives information about the roots of the polynomial.
      • ‘Variable represents the discriminant of the cubic polynomial,’
      • ‘The canonical discriminant function procedure was used for evaluating the overall discriminant regression equation.’
      • ‘Laplace, in 1795, tried to prove the FTA using a completely different approach using the discriminant of a polynomial.’
      • ‘Hensel was interested in the exact power of a prime which divides the discriminant of an algebraic number field.’
      • ‘This led to several papers, culminating in a proof twelve years later of a conjecture of Siegel giving an asymptotic relationship satisfied by the class number, the regulator, and the discriminant of an algebraic number field.’

Origin

Mid 19th century (in the sense ‘showing discernment’): from Latin discriminant- ‘distinguishing between’, from the verb discriminare (see discriminate).

Pronunciation

discriminant

/dəˈskrimənənt//dəˈskrɪmənənt/