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biquadratic

adjective, noun

biquadratic is spelled B-I-Q-U-A-D-R-A-T-I-C: 11 letters. It appears about once in every 98 million words in written English, the 317,168th most frequent word form (wordfreq, 2021 data). As an adjective, biquadratic means “Of a polynomial expression, involving only the zeroth, second, and fourth powers of a variable, as x⁴ + 3x² + 2. Sometimes extended to any expression…” (English Wiktionary, September 2026).

How many letters and syllables are in biquadratic?

Letters11: B-I-Q-U-A-D-R-A-T-I-C
In writingabout once in every 98 million words; the 317,168th 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 biquadratic?

Biquadratic appears about once in every 98 million words in written English, the 317,168th 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).

Forms of biquadratic

  • biquadratics plural

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

What does biquadratic mean?

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

adjective

  1. 1

    Of a polynomial expression, involving only the zeroth, second, and fourth powers of a variable, as x⁴ + 3x² + 2. Sometimes extended to any expression involving the biquadrate or fourth power (but no higher powers), as x⁴ − 4x³ + 3x² − x + 1.

noun

  1. 1

    A biquadratic equation.

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

Biquadratic in Spanish, French, German and Portuguese

In the sense Translations:

LanguageWords
Frenchbicarré

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.

Where does biquadratic come from?

From bi- + quadratic.

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

What to look up after biquadratic