noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   Gaseous substances released into the air, especially from a polymer material as it is aged or heated. countable, uncountable

Verb

1. 1
   To release (gaseous substances) into the air, especially of a polymer material as it is aged or heated. intransitive, transitive

Synonyms

All synonyms

off gasoff-gas

Etymology

From out- + gas.

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