watch glass (English, noun)
expansion: watch glass (plural watch glasses)
Senses:
topics: chemistry
natural-sciences
physical-sciences
glosses: An item of glass laboratory equipment consisting of a simple, slightly concave circle of glass. It is a general utility item, used to hold small samples, to evaporate liquids, to cover a beaker, and so on.
glosses: The glass covering of the face of a watch.
glosses: A sandglass, hourglass.
Forms:
form: watch glasses
tags: plural