hygrometer

[ hahy-grom-i-ter ]

/ haɪˈgrɒm ɪ tər /

noun

any instrument for measuring the water-vapor content of the atmosphere.

Origin of hygrometer

First recorded in 1660–70; hygro- + -meter

Words nearby hygrometer

hygristor, hygro-, hygrogram, hygrograph, hygroma, hygrometer, hygrometric, hygrometry, hygrophilous, hygrophyte, hygroscope

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for hygrometer

Thus the hygrometer is worthy to be studied on a hunting morning.
A Cotswold Village|J. Arthur Gibbs
Thermometer a measurer of heat; barometer, a measurer of the weight of the air; hygrometer, a measurer of moisture.
Practical Education, Volume II|Maria Edgeworth
The relation is not that of a thermometer or hygrometer to the warmth and moisture of the air; it is a vital relation.
The Breath of Life|John Burroughs
On the contrary, if the hygrometer shows continuing or increasing dryness, a stronger wind is probable, without rain.
A Treatise on Meteorological Instruments|Henry Negretti

It was of an hygrometer, which, like the common ones, was to give the actual moisture of the air.
Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson|Thomas Jefferson

British Dictionary definitions for hygrometer

hygrometer

/ (haɪˈɡrɒmɪtə) /

noun

any of various instruments for measuring humidity

Derived forms of hygrometer

hygrometric (ˌhaɪɡrəˈmɛtrɪk), adjectivehygrometrically, adverbhygrometry, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for hygrometer

hygrometer

[ hī-grŏm′ĭ-tər ]

Any of several instruments that measure humidity. The most common type of hygrometer consists of two, side-by-side mercury or electronic thermometers, one of which has a dry bulb, and one of which has a bulb wrapped with a wet cotton or linen wick. As water evaporates from the wet bulb, it absorbs heat from the thermometer, driving down its temperature reading. The difference in temperature between the two thermometers is then used to calculate the relative humidity. This type of hygrometer is also called a psychrometer. Other hygrometers make use of the temperatures at which dew forms and disappears to calculate the relative humidity. Older hygrometers used the length of a strand of hair, which stretches when it absorbs moisture, to measure relative humidity.

单词	hygrometer
释义	hygrometer [ hahy-grom-i-ter ] / haɪˈgrɒm ɪ tər / noun any instrument for measuring the water-vapor content of the atmosphere. Origin of hygrometer First recorded in 1660–70; hygro- + -meter Words nearby hygrometer hygristor, hygro-, hygrogram, hygrograph, hygroma, hygrometer, hygrometric, hygrometry, hygrophilous, hygrophyte, hygroscope Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for hygrometer Thus the hygrometer is worthy to be studied on a hunting morning. A Cotswold Village\|J. Arthur Gibbs Thermometer a measurer of heat; barometer, a measurer of the weight of the air; hygrometer, a measurer of moisture. Practical Education, Volume II\|Maria Edgeworth The relation is not that of a thermometer or hygrometer to the warmth and moisture of the air; it is a vital relation. The Breath of Life\|John Burroughs On the contrary, if the hygrometer shows continuing or increasing dryness, a stronger wind is probable, without rain. A Treatise on Meteorological Instruments\|Henry Negretti It was of an hygrometer, which, like the common ones, was to give the actual moisture of the air. Memoir, Correspondence, And Miscellanies, From The Papers Of Thomas Jefferson\|Thomas Jefferson British Dictionary definitions for hygrometer hygrometer / (haɪˈɡrɒmɪtə) / noun any of various instruments for measuring humidity Derived forms of hygrometer hygrometric (ˌhaɪɡrəˈmɛtrɪk), adjectivehygrometrically, adverbhygrometry, noun Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for hygrometer hygrometer [ hī-grŏm′ĭ-tər ] Any of several instruments that measure humidity. The most common type of hygrometer consists of two, side-by-side mercury or electronic thermometers, one of which has a dry bulb, and one of which has a bulb wrapped with a wet cotton or linen wick. As water evaporates from the wet bulb, it absorbs heat from the thermometer, driving down its temperature reading. The difference in temperature between the two thermometers is then used to calculate the relative humidity. This type of hygrometer is also called a psychrometer. Other hygrometers make use of the temperatures at which dew forms and disappears to calculate the relative humidity. Older hygrometers used the length of a strand of hair, which stretches when it absorbs moisture, to measure relative humidity. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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