- The definition of glass is something made of or like the hard substance made of silicates, soda or potash, lime and sometimes metallic oxides.
An example of glass used as an adjective is in the phrase "glass window," which means a window made from this substance.
- 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.
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.
An example of glass is to put tomatoes in canning jars.
A glass bottle.
- 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.
- an article made partly or wholly of glass, as a drinking container, mirror, windowpane, telescope, barometer, etc.
- the quantity contained in a drinking glass
Origin of glassMiddle English glas ; from Old English glæs, akin to German glas ; from Indo-European base an unverified form ĝhel-, to shine from source gold, glint, glow
- 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
- 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 made of glass or other transparent or translucent material, especially:a. A drinking vessel.b. A mirror.c. A barometer.d. A window or windowpane.e. The series of transparent plastic sheets that are secured vertically above the boards in many ice rinks.
- a. glasses A pair of lenses mounted in a light frame, used to correct faulty vision or protect the eyes.b. often glasses A binocular or field glass.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.
verbglassed, glass·ing, glass·es
- 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 of glassMiddle English glas, from Old English glæs; see ghel-2 in Indo-European roots.
(countable and uncountable, plural glasses)
- (uncountable) A solid, transparent substance made by melting sand with a mixture of soda, potash and lime.
- The tabletop is made of glass.
- A vessel from which one drinks, especially one made of glass, plastic, or similar translucent or semi-translucent material.
- Fill my glass with milk please.
- The quantity of liquid contained in such a vessel.
- Would you like a glass of milk?
- (uncountable) Glassware.
- We collected art glass.
- A mirror.
- She adjusted her lipstick in the glass.
- A magnifying glass or telescope.
- We looked through the glass to see stars.
- (sports) A barrier made of glass.
- A barometer.
(third-person singular simple present glasses, present participle glassing, simple past and past participle glassed)
- To furnish with glass; to glaze.
- To enclose with glass.
- (colloquial) To strike (someone), particularly in the face, with a drinking glass with the intent of causing injury.
- To bombard an area with such intensity (nuclear bomb, fusion bomb, etc) as to melt the landscape into glass.
- To view through an optical instrument such as binoculars.
- To smooth or polish (leather, etc.), by rubbing it with a glass burnisher.
- (archaic, reflexive) To reflect; to mirror.
From Middle English glas, from Old English glæs, from Proto-Germanic *glasą, possibly related root *glōaną (“to shine”) (compare glow), and ultimately from the Proto-Indo-European root *ǵʰel- (“to shine, shimmer, glow”); cognate with West Frisian glês, Low German Glas, Dutch glas, German Glas, Icelandic gler.