ˌvent ə lˈāshən noun
( -s )
Etymology: Middle English ventulacioun, modification (influenced by Latin ventulus breeze) of Latin ventilation-, ventilatio, from ventilatus (past participle of ventilare to brandish in the air) + -ion-, -io -ion
1. obsolete : a current of air (as a breeze)
2. : an act or instance of ventilating: as
a. archaic : an act or action of fanning or blowing ; especially : the winnowing of grain
b. : a movement and especially a circulation of air (as in an enclosed space)
a mine with poor ventilation
often : the circulation and exchange of gases in the lungs that is basic to respiration
c.
(1) : a making public or openly uttering : vent
his ventilation of these views alienated popular sympathy
(2) : free and open discussion (as of a matter of public interest)
such a proposal deserves thorough ventilation
(3) : verbal expression of mental or emotional conflicts leading to reduction of inner tensions — compare catharsis 3a
3. : provision of facilities or the facilities available to ensure an adequate or a particular sort of circulation (as of air)
a cave with good natural ventilation
planned a complex ventilation system of blowers and ducts
the ventilation broke down