hy·dro·scope

[hahy-druh-skohp]
noun
an optical device for viewing objects below the surface of water.

Origin:
1670–80; hydro-1 + -scope

hy·dro·scop·ic [hahy-druh-skop-ik] , hy·dro·scop·i·cal, adjective
hy·dro·sco·pic·i·ty [hahy-druh-skoh-pis-i-tee] , noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To hydroscopic
Collins
World English Dictionary
hydroscope (ˈhaɪdrəˌskəʊp) [Click for IPA pronunciation guide]
 
n
any instrument for making observations of underwater objects
 
hydroscopic
 
adj
 
hydro'scopical
 
adj

00:10
Hydroscopic is always a great word to know.
So is doohickey. Does it mean:
a gadget; dingus; thingumbob.
a scrap or morsel of food left at a meal.
hydroscope (ˈhaɪdrəˌskəʊp) [Click for IPA pronunciation guide]
 
n
any instrument for making observations of underwater objects
 
hydroscopic
 
adj
 
hydro'scopical
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Example sentences
Yet, there apparently is no such word as hydroscopic.
All core binders shall be non-hydroscopic and non-wicking dielectric material or be rendered such by the filling compound.
It is non-volatile, non-hydroscopic, but only slightly soluble in water.
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