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smokeproof

smokeproof

1 4.4
Made to stop smoke from entering a room or stairwell
  • adjective
  • /ˈsmoʊkˌpruːf/
  • Specialized
: a prueba de humo
  • A smokeproof stairwell can help people escape safely in case of a fire.

Examples

  • All new buildings must have at least one smokeproof exit according to the updated regulations.

  • The hotel installed smokeproof doors to improve guest safety during emergencies.

  • The new building is smokeproof.

  • We need smokeproof doors for the safety regulations.

  • The hotel installed smokeproof doors to improve guest safety during emergencies.

  • A smokeproof stairwell can help people escape safely in case of a fire.

  • All new buildings must have at least one smokeproof exit according to the updated regulations.

How Smoke-Resistant

smokeproof
  • Specialized
1 4.4
airtight
16 3.9
permeable
4 5.8

Surface Forms

smokeproof positive

Morphology

smokeproof = smoke + proof (transparent) = smoke + proof

The compound uses the productive pattern 'X-proof' (like 'waterproof'), so learners who know 'smoke' and the pattern will infer 'resistant to smoke'.

Etymology

Smokeproof combines smoke and proof, like in waterproof, and proof here means 'resistant to' or 'keeps out'. So a smokeproof door or stairwell is made to stop smoke from entering and help people escape safely.