glass

[[t]glæs, glɑs[/t]]

n.

1) chem. a hard, brittle, noncrystalline, more or less transparent substance, atomically a supercooled liquid, usu. produced by fusing silicates containing soda and lime, as in the ordinary variety used for windows and bottles

2) chem. any artificial or natural substance having similar properties and composition, as fused borax or obsidian

3) something made of such a substance, as a windowpane

4) a tumbler or other comparatively tall, handleless drinking container

5) glasses

Also called eyeglass 1) a device to compensate for defective vision or to protect the eyes from light, dust, etc., consisting usu. of two glass or plastic lenses set in a frame that includes two sidepieces extending over or around the ears (usu. used with pair of).

6) a mirror

7) things made of glass, collectively; glassware:

to collect old glass[/ex]

8) a glassful

9) opt a lens, esp. one used as a magnifying glass

10) any of various optical instruments, as a spyglass

11) made of glass:

a glass tray[/ex]

12) furnished or fitted with panes of glass; glazed

13) to fit with panes of glass

14) to cover or enclose with glass

15) cvb bui to coat or cover with fiberglass

16) to scan with an optical instrument, as binoculars

17) to reflect

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Etymology: bef. 900; ME glas, OE glæs, c. OS glas, gles, OHG glas glass′less, adj.