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The Collaborative International Dictionary of English v.0.48 (gcide)

Ventilate \Ven"ti*late\, v. t. [imp. & p. p. {Ventilated}; p.
pr. & vb. n. {Ventilating}.] [L. ventilatus, p. p. of
ventilare to toss, brandish in the air, to fan, to winnow,
from ventus wind; akin to E. wind. See {Wind} rushing air.]
1. To open and expose to the free passage of air; to supply
with fresh air, and remove impure air from; to air; as, to
ventilate a room; to ventilate a cellar; to ventilate a
mine.
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2. To provide with a vent, or escape, for air, gas, etc.; as,
to ventilate a mold, or a water-wheel bucket.
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3. To change or renew, as the air of a room. --Harvey.
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4. To winnow; to fan; as, to ventilate wheat.
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5. To sift and examine; to bring out, and subject to
penetrating scrutiny; to expose to examination and
discussion; as, to ventilate questions of policy.
--Ayliffe.
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6. To give vent to; to utter; to make public.
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Macaulay took occasion to ventilate one of those
startling, but not very profound, paradoxes. --J. C.
Shairp.
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