Coextension

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The act of extending equally or jointly, or the state of being equally extended countable, uncountable
  2. 2
    equality of extension or duration wordnet

Etymology

From co- + extension.

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