Standard Lemma guide

sesquilinear

adj · 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.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

adj

Meaning 1

(of a map of a complex vector space) Linear in one coordinate and conjugate linear in the other

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From sesqui- (“one and a half”) + linear; “conjugate linear” being considered metaphorically “half linear”, hence one and a half times linear, as opposed to bilinear (“linear in both variables”).

Across languages

Translations

2 source translations are retained for this English entry.

  • Polish: półtoraliniowy — (mathematics) linear in one variable and conjugate linear in the other
  • Spanish: sesquilineal — (mathematics) linear in one variable and conjugate linear in the other
Real reading context

sesquilinear in complete knowledge articles