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hydroscope

American  
[hahy-druh-skohp] / ˈhaɪ drəˌskoʊp /

noun

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


hydroscope British  
/ ˈhaɪdrəˌskəʊp /

noun

  1. any instrument for making observations of underwater objects

"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

Other Word Forms

Etymology

Origin of hydroscope

First recorded in 1670–80; hydro- 1 + -scope

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It might be said that he divined the course of seams in the depths of the coal mine as a hydroscope reveals springs in the bowels of the earth.

From The Underground City, or, the Child of the Cavern by Jules Verne

Later I heard him clamping the hood on the hydroscope; but I was too disgusted for any further words, and I dug away at the water with my paddle.

From Police!!! by Henry Hutt

It looks to me through the hydroscope, at this distance, exactly like a tiny, silvery minnow.

From Police!!! by Henry Hutt

He knelt for some time longer, watching the fish, before he resigned the hydroscope to me.

From Police!!! by Henry Hutt

He calls it a hydroscope and describes it as having the form and size of a flute, and graduated in such wise that it can be used for determining the density of liquids.

From Woman in Science With an Introductory Chapter on Woman's Long Struggle for Things of the Mind by John Augustine Zahm

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