• synonyms

hair hygrometer

See more synonyms for hair hygrometer on Thesaurus.com
  1. 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018