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discriminant

noun, adjective

discriminant is spelled D-I-S-C-R-I-M-I-N-A-N-T: 12 letters. It appears about once in every 6 million words in written English, the 74,122nd most frequent word form (wordfreq, 2021 data). As a noun, discriminant means “An expression that gives information about the roots of a polynomial; for example, the expression D = b² - 4ac determines whether the roots of the…” (English Wiktionary, September 2026). The plural of discriminant is discriminants.

How many letters and syllables are in discriminant?

Letters12: D-I-S-C-R-I-M-I-N-A-N-T
In writingabout once in every 6 million words; the 74,122nd most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is discriminant?

Discriminant appears about once in every 6 million words in written English, the 74,122nd most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce discriminant?

  • US

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Wodencafe-discriminant.wav, Wikimedia Commons (author and licence on each file's page).

Forms of discriminant

  • discriminants plural
  • more discriminant comparative
  • most discriminant superlative

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does discriminant mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    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).

  2. 2

    The invariant (on the vector space of forms of degree d in n variables) that vanishes exactly when the corresponding hypersurface in Pⁿ⁻¹ is singular.

adjective

  1. 1

    Serving to discriminate.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Discriminant in Spanish, French, German and Portuguese

In the sense in algebra:

LanguageWords
Frenchdiscriminant
Spanishdiscriminante

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

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