a poisonous mixture of gases containing carbon dioxide, carbon monoxide, and nitrogen formed after the explosion of firedamp in coal mines
See also whitedamp
WordReference Random House Unabridged Dictionary of American English © 2025
af•ter•damp
(af′tər damp′, äf′-),USA pronunciation n.
- Miningan irrespirable mixture of gases, consisting chiefly of carbon dioxide and nitrogen, left in a mine after an explosion or fire.
- after + damp 1855–60
Collins Concise English Dictionary © HarperCollins Publishers::
'afterdamp' also found in these entries (note: many are not synonyms or translations):