Meaning of choke-damp in English:

choke-damp

noun

mass noun
  • Choking or suffocating gas, typically carbon dioxide, that is found in mines and other underground spaces.

    ‘Advice was also given not to step down in any deep hole which might be seen without holding the candle forward, in which case if there was choke-damp it would go out, which would be fair warning.’
    • ‘But after a few days of rest and recovery he was lowered again, with some precautions against choke-damp, to chip down another ten feet, when water was struck.’
    • ‘Many a companion of mine have I seen dead with choke-damp, but none that I ever saw or heard of was so near to death in it as you were and escaped without help.’