Afterdamp

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Suffocating gases present in a coal mine after an explosion caused by firedamp, consisting of carbon dioxide, carbon monoxide, nitrogen, and sometimes hydrogen sulfide. uncountable, usually
  2. 2
    a toxic mixture of gases (including carbon dioxide and carbon monoxide and nitrogen) after an explosion of firedamp in a mine wordnet

Etymology

From after- + damp.

Related phrases

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