water glass

or wa·ter·glass


noun

a drinking glass; tumbler.
a glass container for holding water, as for growing bulbs, plants, or the like.
a glass tube used to indicate water level, as in a boiler.
a device for observing objects beneath the surface of the water, consisting essentially of an open tube or box with a glass bottom.

Origin of water glass

First recorded in 1600–10

Example sentences from the Web for water glass

British Dictionary definitions for water glass

water glass

noun

a viscous syrupy solution of sodium silicate in water: used as a protective coating for cement and a preservative, esp for eggs
another name for water clock, water gauge

Medical definitions for water glass

water glass

n.

soluble glass