Search Result for "afterdamp": 
Wordnet 3.0

NOUN (1)

1. a toxic mixture of gases (including carbon dioxide and carbon monoxide and nitrogen) after an explosion of firedamp in a mine; 



WordNet (r) 3.0 (2006):

afterdamp
    n 1: a toxic mixture of gases (including carbon dioxide and
         carbon monoxide and nitrogen) after an explosion of
         firedamp in a mine