hygroscope

[ hahy-gruh-skohp ]

/ ˈhaɪ grəˌskoʊp /

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noun

an instrument that indicates the approximate humidity of the air.

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Origin of hygroscope

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

Words nearby hygroscope

hygrometer, hygrometric, hygrometry, hygrophilous, hygrophyte, hygroscope, hygroscopic, hygrostat, hygrothermograph, Hygroton, hying

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use hygroscope in a sentence

The chimney top with the dowel attached to it below is made to revolve so that the Hygroscope may be adjusted.
Manual Training Toys for the Boy's Workshop|Harris W. Moore
Certain forms of hygroscope are popularly miscalled barometers.
Meteorology|Charles Fitzhugh Talman
The third is, the hygroscope, moving the punch, which shews the difference between the moistest and driest airs.
The Introduction of Self-Registering Meteorological Instruments|Robert P. Multhauf

British Dictionary definitions for hygroscope

hygroscope

/ (ˈhaɪɡrəˌskəʊp) /

noun

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for hygroscope

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.