ventilation

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noun ven·ti·la·tion \ˌven-tə-ˈlā-shən\

Definition of ventilation

  1. 1 :  the act or process of ventilating

  2. 2a :  circulation of air a room with good ventilationb :  the circulation and exchange of gases in the lungs or gills that is basic to respiration

  3. 3 :  a system or means of providing fresh air

Origin and Etymology of ventilation

borrowed from Latin ventilātiōn-, ventilātiō, from ventilāre “to expose to the air, ventilate” + -tiōn-, -tiō, suffix of action nouns


First Known Use: 1519


VENTILATION Defined for Kids

ventilation

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noun ven·ti·la·tion \ˌven-tə-ˈlā-shən\

Definition of ventilation for Students

  1. 1 :  the act or process of ventilating

  2. 2 :  a system or means of providing fresh air


Medical Dictionary

ventilation

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noun ven·ti·la·tion \ˌvent-əl-ˈā-shən\

Medical Definition of ventilation

  1. 1:  the act or process of ventilating

  2. 2:  the circulation and exchange of gases in the lungs or gills that is basic to respiration



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