(chemistry) A solution of sodium silicate in water.

A particular kind of tumbler, typically holding fourteen fluid ounces and used for Tom Collinses and other long mixed drinks.

Alternative form of cheval glass

(chemistry) 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.

Glass having a rough, flat surface produced by abrasion or etching.

plural of glass cleaner

Alternative form of looking-glass.

plural of looking-glass

(music) A musical instrument composed of a series of spinning glass bowls, played with the fingers, invented by Benjamin Franklin. / (more loosely) The glass harp.

(idiomatic) A heart (or by extension, person) in a very fragile romantic state, one that is easily made broken-hearted.