Phrase guide

quadratic integer

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

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1

noun

Meaning 1

A number (real or complex) which is a solution to an equation of the form x2+Bx+C=0 for some integers B and C. For example 42, or 2+3i, or 1+√/2.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

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Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Blend of quadratic + algebraic integer. The idea of integer here is that if the coefficient of the x2 term is set to 1 (i.e., if the polynomial is made monic), the other coefficients are integers.