Sesquilinear

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    (of a map of a complex vector space) Linear in one coordinate and conjugate linear in the other not-comparable

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”).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.