Hydroscope

[haidrәuskәup]

(n.) An instrument designed to mark the presence of water, especially in air.

(n.) A kind of water clock, used anciently for measuring time, the water tricking from an orifice at the end of a graduated tube.

Checked by Dylan

n. a kind of water-clock consisting of a cylindrical graduated tube from which the water escaped through a hole in the bottom.

Typed by Agatha