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ventilation

ven·ti·la·tion

ventilation

 
pronunciation:
ven t leI shn
features:
Word Combinations (noun), Word Explorer
part of speech: noun
definition 1: the process of ventilating or state of being ventilated.
definition 2: the equipment or system by which building space is ventilated.
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derivation: ventilative (adj.)
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See
  breathe, respiration