hydroscope

[ hahy-druh-skohp ]

noun

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

hydroscope

/ ˈhaɪdrəˌskəʊp; ˌhaɪdrəˈskɒpɪk /

noun

1. any instrument for making observations of underwater objects

Derived Forms

• hydroscopic, adjective

Other Words From

• hy·dro·scop·ic [hahy-dr, uh, -, skop, -ik], hydro·scopi·cal adjective
• hy·dro·sco·pic·i·ty [hahy-dr, uh, -skoh-, pis, -i-tee], noun

Word History and Origins

Origin of hydroscope¹

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

Example Sentences

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

From Project Gutenberg

The former was a hydroscope, who fell into convulsions whenever he passed over running water.

From Project Gutenberg