hygroscope

[ hahy-gruh-skohp ]

Phonetic (Standard)IPA

noun

hygroscope

/ ˈhaɪɡrəˌskəʊp /

any device that indicates the humidity of the air without necessarily measuring it

hygroscope

/ hī′grə-skōp′ /

An instrument that records changes in atmospheric humidity. Unlike a hygrometer, a hygroscope only indicates a change in relative humidity, without measuring the magnitude of the change.

First recorded in 1655–65; hygro- + -scope

The chimney top with the dowel attached to it below is made to revolve so that the Hygroscope may be adjusted.

Certain forms of hygroscope are popularly miscalled barometers.

The third is, the hygroscope, moving the punch, which shews the difference between the moistest and driest airs.

April 24, 2024gallimaufry

[gal-uh-maw-free ]

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