hygrometer
noun
hy·grom·e·ter
hī-ˈgrä-mə-tər 
: any of several instruments for measuring the humidity of the atmosphere
Examples of hygrometer in a Sentence
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Since 1885, staff and volunteers have relied on many of the same instruments, including mercury and alcohol thermometers, hygrometers that use human hair to measure moisture in the air, and that glass sphere on the roof tracking the hours of bright sunshine.
—
Laura Martin Agudelo, Chicago Tribune, 29 Apr. 2026
Non-volatile Particulate Matter (nvPM) counters measured soot and black carbon particles, while volatile aerosol and trace-gas instruments (chemiluminescent NOₓ analyzers, hygrometers, thermometers) logged exhaust and ambient chemistry.
—Srishti Gupta, Interesting Engineering, 29 Apr. 2026
The difference between these two thermometer measurements is charted against the actual air temperature (the temperature shown on the dry-bulb thermometer) to determine relative humidity (see also hygrometer).
—John P. Rafferty, Encyclopedia Britannica, 7 Apr. 2026
Shut off the humidifier if your room starts to feel damp or use a hygrometer to keep an eye on humidity levels.
—Brandee Gruener, Southern Living, 10 Jan. 2026
See All Example Sentences for hygrometer
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Laura Martin Agudelo, Chicago Tribune, 29 Apr. 2026
Non-volatile Particulate Matter (nvPM) counters measured soot and black carbon particles, while volatile aerosol and trace-gas instruments (chemiluminescent NOₓ analyzers, hygrometers, thermometers) logged exhaust and ambient chemistry.
—Srishti Gupta, Interesting Engineering, 29 Apr. 2026
The difference between these two thermometer measurements is charted against the actual air temperature (the temperature shown on the dry-bulb thermometer) to determine relative humidity (see also hygrometer).
—John P. Rafferty, Encyclopedia Britannica, 7 Apr. 2026
Shut off the humidifier if your room starts to feel damp or use a hygrometer to keep an eye on humidity levels.
—Brandee Gruener, Southern Living, 10 Jan. 2026
See All Example Sentences for hygrometer
Cite this Entry
“Hygrometer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hygrometer. Accessed 2 May. 2026.
Copy CitationKids Definition
hygrometer
noun
hy·grom·e·ter
hī-ˈgräm-ət-ər
: an instrument for measuring the amount of moisture in the air
Medical Definition
hygrometer
noun
hy·grom·e·ter
hī-ˈgräm-ət-ər
: any of several instruments for measuring the humidity of the atmosphere
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