hair hygrometer
noun
a hygrometer actuated by the changes in length of a strand of human hair brought about by changes in the relative humidity.
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Origin of hair hygrometer
First recorded in 1875–80
Words nearby hair hygrometer
haired, hair follicle, hair gel, hair grass, hairgrip, hair hygrometer, hairif, hair implant, hair lacquer, hairless, hairline
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020