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Webster 1913 Edition

Ventilator

Ven′ti-laˊtor

,
Noun.
[Cf. F.
ventilateur
, L.
ventilator
a winnower.]
A contrivance for effecting ventilation; especially, a contrivance or machine for drawing off or expelling foul or stagnant air from any place or apartment, or for introducing that which is fresh and pure.

Webster 1828 Edition

Ventilator

VEN'TILATOR

,
Noun.
An instrument or machine for expelling foul or stagnant air from any close place or apartment, and introducing that which is fresh and pure. Ventilators are of very different constructions and sizes.

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