Main Entry:

¹glass

Pronunciation:

\ˈglas, ˈgläs\

Function:

noun

Usage:

often attributive

Etymology:

Middle English glas, from Old English glæs; akin to Old English geolu yellow — more at yellow

Date:

before 12th century

1: any of various amorphous materials formed from a melt by cooling to rigidity without crystallization: as a: a usually transparent or translucent material consisting typically of a mixture of silicates b: a material (as obsidian) produced by fast cooling of magma 2 a: something made of glass: as (1): tumbler ; also : glassware (2): mirror (3): barometer (4): hourglass (5): backboard 1 b (1): an optical instrument or device that has one or more lenses and is designed to aid in the viewing of objects not readily seen (2): field glasses, binoculars —usually used in plural cplural : a device used to correct defects of vision or to protect the eyes that consists typically of a pair of glass or plastic lenses and the frame by which they are held in place —called also eyeglasses spectacles 3: the quantity held by a glass container4: fiberglass

— glass·ful \ˈglas-ˌfu̇l\ noun

— glass·less \-ləs\ adjective