afterdamp

noun

Meaning

A mixture of poisonous or suffocating gases, primarily carbon monoxide and carbon dioxide, remaining in a mine after an explosion or fire.

Examples

  • Rescue teams had to wait for the afterdamp to clear before they could safely enter the lower levels of the mine.
  • The ventilation system was designed to quickly dilute any afterdamp generated by a potential blast.

Synonyms: chokedamp, carbon monoxide, toxic fumes, noxious gases