hydroscope

hy·dro·scope

(hī′drə-skōp′)

An optical device used for viewing objects far below the surface of water.

hy′dro·scop′ic (-skŏp′ĭk) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

hydroscope

(ˈhaɪdrəˌskəʊp)

(Nautical Terms) any instrument for making observations of underwater objects

hydroscopic, ˌhydroˈscopical adj

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

hydroscope

a device for viewing things below the surface of a body of water.

See also: Water

Mentioned in ?

water

References in periodicals archive ?

The kelp is harvested by using a device to see under water, called a hydroscope, to peer at the ocean floor attached to a pole which is twisted to cut off the kelp.

Expert rues deterioration in Japanese cuisine

Hypatia for her part wielded the astrolabe and the hydroscope with aplomb.

Alexandria the Great: on the Mediterranean at the western edge of the Nile delta stands the most important and enduring of all the many cities founded by Alexander. Though much of its material past has been destroyed or lies underwater, Alexandria's reputation as the intellectual powerhouse of the Classical world, fusing Greek, Egyptian and Roman culture, lives on