psychrometer

[sahy-krom-i-ter]

noun

1. an instrument for determining atmospheric humidity by the reading of two thermometers, the bulb of one being kept moist and ventilated.

psychrometer

/ saɪˈkrɒmɪtə /

noun

1. Also called: wet-and-dry-bulb thermometer. a type of hygrometer consisting of two thermometers, one of which has a dry bulb and the other a bulb that is kept moist and ventilated. The difference between the readings of the thermometers gives an indication of atmospheric humidity

psychrometer

1. See under hygrometer

Other Word Forms

• psychrometric adjective
• psychrometrical adjective

Word History and Origins

Origin of psychrometer¹

First recorded in 1720–30; psychro- + -meter

Example Sentences

In one video, Huth licks his forearm and flails his arms, turning himself into a human sling psychrometer to estimate humidity.

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One, called a psychrometer, compared a wet thermometer bulb, cooled by evaporation, with a dry thermometer bulb.

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For meteorological observations, in addition to the ordinary thermometers, barometers, aneroids, psychrometers, hygrometers, anemometers, etc., etc., self-registering instruments were also taken.

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To find the relative humidity by use of wet-and-dry-bulb hygrometer or psychrometer: Place the instrument in a strong circulation of air, or wave it to and fro.

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The humidity of the air was observed both by August's psychrometer and Saussure's hygrometer.

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