(= earlier exhausting fan), a fan for producing a current by creating a vacuum.
| 单词 | θ75117 |
| 释义 | the world > matter > gas > air > moving air > [noun] > device for producing blast of air > for producing outward current (3) exhaust-fan1874 (= earlier exhausting fan), a fan for producing a current by creating a vacuum. expirator1875 An instrument for forcing out air. exhaust1884 Any apparatus for effecting this. Cf. exhaust-fan n. at compounds 3. |
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