WET-BULB THERMOMETER • DICTIONARY ONE.COM • Definition of Wet-bulb thermometer

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/wɛt-bəlb θərmˈɑmətər/ Listen

Wet-bulb thermometer

noun

A thermometer with a bulb that is covered with moist muslin; used in a psychrometer to measure humidity.

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"Wet-bulb thermometer" Quotes from Famous Books

... spot of vapour condensed close to the summit of Paras-nath. Though the nights were clear and starlight, no dew was deposited, owing to the great dryness of the air. On one occasion, this drought was so great during the passage of a hot wind, that at night I observed the wet-bulb thermometer to stand 20.5 degrees below the temperature of the air, which was 66 degrees; this indicated a dew-point of 11.5 degrees, or 54.5 degrees below the air, and a saturation-point of 0.146; there being only 0.102 grains of vapour per cubic foot of air, which ...

— Himalayan Journals (Complete) • J. D. Hooker

... readings of this instrument, when compared with those of a wet-bulb thermometer, indicate the amount of moisture in the air, and thence ...

— The Sailor's Word-Book • William Henry Smyth

... glass tube an inch in diameter, filled with moistened stones, and by that means succeeded in reducing the temperature of the current from 18 deg. C. to 15 deg. C.; and when the refrigerated current was directed against a wet-bulb thermometer, it fell to 14 deg. C., thus showing a loss of 7 deg..2 F. of heat. No one can see much of limestone caverns without discovering that the surfaces over which any currents there may be are constrained to pass, present an abundance ...

— Ice-Caves of France and Switzerland • George Forrest Browne