n. Suffocating gases present in a coal mine after an explosion caused by firedamp, consisting of nitrogen, carbon monoxide, carbon dioxide, and sometimes hydrogen sulfide.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a toxic mixture of gases (including carbon dioxide and carbon monoxide and nitrogen) after an explosion of firedamp in a mine
Word Usage
"Filled with deadly afterdamp 'cause owners didn't care,"