glass
Glass is defined as a hard substance made by heating and then quickly cooling sicilates with soda or potash or lime, or something made of this substance.
(noun)An example of a glass is a container used for drinking wine.
Glass means to put food into canning jars, to reflect or to replace broken windows.
(verb)An example of glass is to put tomatoes in canning jars.
The definition of glass is something made of or like the hard substance made of silicates, soda or potash, lime and sometimes metallic oxides.
(adjective)An example of glass used as an adjective is in the phrase "glass window," which means a window made from this substance.
See glass in Webster's New World College Dictionary
noun
- 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.
- any substance like glass in composition, transparency, brittleness, etc.
- glassware
- an article made partly or wholly of glass, as a drinking container, mirror, windowpane, telescope, barometer, etc.
- eyeglasses
- binoculars
- the quantity contained in a drinking glass
Origin: ME glas < OE glæs, akin to Ger glas < IE base *ĝhel-, to shine > gold, glint, glow
transitive verb
- to put into glass jars for preserving
- to mirror; reflect
- to equip with glass panes; glaze
- to look at through a telescope, etc.
- to make glassy
intransitive verb
adjective
See glass in American Heritage Dictionary 4
noun
- Any of a large class of materials with highly variable mechanical and optical properties that solidify from the molten state without crystallization, are typically made by silicates fusing with boric oxide, aluminum oxide, or phosphorus pentoxide, are generally hard, brittle, and transparent or translucent, and are considered to be supercooled liquids rather than true solids.
- Something usually made of glass, especially:a. A drinking vessel.b. A mirror.c. A barometer.d. A window or windowpane.
- a. glasses A pair of lenses mounted in a light frame, used to correct faulty vision or protect the eyes.b. A binocular or field glass. Often used in the plural.c. A device, such as a monocle or spyglass, containing a lens or lenses and used as an aid to vision.
- The quantity contained by a drinking vessel; a glassful.
- Objects made of glass; glassware.
- Made or consisting of glass.
- Fitted with panes of glass; glazed.
- a. To enclose or encase with glass.b. To put into a glass container.c. To provide with glass or glass parts.
- To make glassy; glaze.
- a. To see reflected, as in a mirror.b. To reflect.
- To scan (a tract of land or forest, for example) with an optical instrument.
- To become glassy.
- To use an optical instrument, as in looking for game.
Origin:
Origin: Middle English glas
Origin: , from Old English glǽs; see ghel-2 in Indo-European roots
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