Word.ws English Dictionary

sesquilinear

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

Adjective

sesquilinear (not comparable)

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

Origin of sesquilinear

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”).

Questions about sesquilinear

What does sesquilinear mean?
Sesquilinear means (of a map of a complex vector space) Linear in one coordinate and conjugate linear in the other.
What part of speech is sesquilinear?
Sesquilinear is an adjective.

Words near sesquilinear in the dictionary

  1. sesquiennial
  2. sesquifumarate
  3. sesquifumarates
  4. sesquihydrate
  5. sesquihydrates
  6. sesquilinear
  7. sesquilingual
  8. sesquilingualism
  9. sesquilingualisms
  10. sesquimagnesium
  11. sesquimustard

Source and license

Adapted from Wiktionary: sesquilinear (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “sesquilinear.” Word.ws, https://word.ws/sesquilinear. Based on Wiktionary, CC BY-SA 4.0.