glass

glass [glas, gläs]

n.

[ME glas < OE glæs, akin to Ger glas < IE base * ĝhel-, to shine > GOLD, GLINT, GLOW]

1. a hard, brittle substance made by fusing silicates with soda or potash, lime, and, sometimes, various metallic oxides into a molten mass that is cooled rapidly to prevent crystallization or annealed to eliminate stresses: various types of glass can be transparent, translucent, heat-resistant, flexible, shatterproof, photochromic, etc.

2. any substance like glass in composition, transparency, brittleness, etc.

3. GLASSWARE

4.

a) an article made partly or wholly of glass, as a drinking container, mirror, windowpane, telescope, barometer, etc.

b) [pl.] eyeglasses

c) [pl.] binoculars

5. the quantity contained in a drinking glass

vt.

1. to put into glass jars for preserving

2. to mirror; reflect

3. to equip with glass panes; glaze

4. to look at through a telescope, etc.

5. to make glassy

vi.

to become glassy

adj.

of, made of or with, or like glass

——————

glass in

to enclose with glass panes