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.
Origin of hair hygrometer
First recorded in 1875–80
Words nearby hair hygrometer
hair cell,
hair disk,
hair follicle,
hair gel,
hair grass,
hair hygrometer,
hair implant,
hair lacquer,
hair net,
hair of the dog that bit you,
hair papilla