• synonyms


  1. an optical device for viewing objects below the surface of water.
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Origin of hydroscope

First recorded in 1670–80; hydro-1 + -scope
Related formshy·dro·scop·ic [hahy-druh-skop-ik] /ˌhaɪ drəˈskɒp ɪk/, hy·dro·scop·i·cal, adjectivehy·dro·sco·pic·i·ty [hahy-druh-skoh-pis-i-tee] /ˌhaɪ drə skoʊˈpɪs ɪ ti/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for hydroscopicity

Historical Examples of hydroscopicity

  • How does the water content of some foods vary with the hydroscopicity of the air?

    Human Foods and Their Nutritive Value

    Harry Snyder

British Dictionary definitions for hydroscopicity


  1. any instrument for making observations of underwater objects
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Derived Formshydroscopic (ˌhaɪdrəˈskɒpɪk) or hydroscopical, adjective
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