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hydroscope
[ hahy-druh-skohp ]
noun
- an optical device for viewing objects below the surface of water.
hydroscope
/ ˈhaɪdrəˌskəʊp; ˌhaɪdrəˈskɒpɪk /
noun
- any instrument for making observations of underwater objects
Derived Forms
- hydroscopic, adjective
Other Words From
- hy·dro·scop·ic [hahy-dr, uh, -, skop, -ik], hydro·scopi·cal adjective
- hy·dro·sco·pic·i·ty [hahy-dr, uh, -skoh-, pis, -i-tee], noun
Word History and Origins
Origin of hydroscope1
Example Sentences
Hydroscope, hī′dro-skōp, n. a kind of water-clock, consisting of a cylindrical graduated tube, from which the water escaped through a hole in the bottom.
The former was a hydroscope, who fell into convulsions whenever he passed over running water.
The muscles which would contract the fingers upon the arms of the stick, pass the shoulder; and it is worthy of remark that one of the medical men who witnessed the experiments made on Bleton the hydroscope, expressly alludes to a slight rising of the shoulders during the rotation of the divining rod.
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.
For the preliminary work of treasure finding, he perfected his hydroscope, a kind of sea telescope consisting of a floating platform from which depend a series of tubes ending in a chamber equipped with electric lamps, lenses and reflectors, like so many gigantic eyes through which the observer is able to view the illuminated bottom of bay or ocean.
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