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Definition of Afterdamp
1. Noun. A toxic mixture of gases (including carbon dioxide and carbon monoxide and nitrogen) after an explosion of firedamp in a mine.
Generic synonyms: Gas
Definition of Afterdamp
1. Noun. (mining) Suffocating gases present in a coal mine after an explosion caused by firedamp, consisting of nitrogen, carbon monoxide, carbon dioxide, and sometimes hydrogen sulfide. ¹
¹ Source: wiktionary.com
Definition of Afterdamp
1. [n -S]