[f. Gr. ἄνεμος wind + -(O)METER; cf. barometer.]

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  1.  An instrument for measuring the force of the wind; a wind-gauge.

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1727–51.  Chambers, Cycl., Anemometer, a machine wherewith to measure the strength of the wind.

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1818.  Art of Preserv. Feet, 36. They act as living … anemometers to ascertain the direction of the wind, especially when it is easterly.

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1838.  in Proc. Amer. Phil. Soc., I. 3. Drawings of a self-registering anemometer.

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1860.  Maury, Phys. Geog. Sea, ii. § 88. The sea-weed … serves the mariner as a sort of marine anemometer.

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  2.  An apparatus for indicating the wind-pressure in an organ.

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1876.  Hiles, Catech. Organ, viii. (1878), 55. A wind-gauge, or anemometer … is a small curved glass tube into which a little water is poured, and it is then placed in one of the pipe holes on the sound board.

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