English word hydroscope comes from English -scope, English hydro-
| Dictionary entry | Language | Definition |
|---|---|---|
| -scope | English (eng) | Used to make terms denoting an instrument used for viewing or examination. |
| hydro- | English (eng) | (chemistry) hydrogen. (mineralogy) a hydrous compound. (zoology) Hydrozoa. Water. |
| hydroscope | English (eng) | (historical) A kind of water clock consisting of a cylindrical graduated tube, from which the water escaped through a hole in the bottom.. A device for viewing objects below the surface of the water. |