Definition of "glass" in Anglais

noun

1. (usually uncountable) An amorphous solid, often transparent substance, usually made by melting silica sand with various additives (for most purposes, a mixture of soda, potash and lime is added).

   • The tabletop is made of glass.
   • A popular myth is that window glass is actually an extremely viscous liquid.

2. (countable, uncountable, by extension) Any amorphous solid (one without a regular crystal lattice).

   • Metal glasses, unlike those based on silica, are electrically conductive, which can be either an advantage or a disadvantage, depending on the application.

3. (countable) A vessel from which one drinks, especially one made of glass, plastic, or similar translucent or semi-translucent material.

   • Would you like a glass of wine?
   • Fill my glass with milk, please.

4. (metonymic) The quantity of liquid contained in such a vessel.

   • There is half a glass of milk in each pound of chocolate we produce.

5. (uncountable) Glassware.

   • We collected art glass.

6. A mirror.

   • She adjusted her lipstick in the glass.
   • 1599, Thomas Dekker, Old Fortunatus, Act III, Scene 1, J.M. Dent & Co., 1904, p. 67, […] for what lady can abide to love a spruce silken-face courtier, that stands every morning two or three hours learning how to look by his glass, how to speak by his glass, how to sigh by his glass, how to court his mistress by his glass? I would wish him no other plague, but to have a mistress as brittle as glass.

7. A magnifying glass or loupe.

8. A telescope.

9. (sports) A barrier made of solid, transparent material.

10. A barometer.

11. (attributive, in names of species) Transparent or translucent.

    • glass frog;  glass shrimp;  glass worm

12. (obsolete) An hourglass.

13. (uncountable, photography, informal) Lenses, considered collectively.

    • Her new camera was incompatible with her old one, so she needed to buy new glass.

14. (countable, now rare) Synonym of window or pane, particularly in vehicles.

verb

1. (transitive) To fit with glass; to glaze.

2. (transitive) To enclose in glass.

3. (transitive) Clipping of fibreglass (“to fit, cover, fill, or build, with fibreglass-reinforced resin composite (fiberglass)”).

4. (transitive, UK, colloquial) To strike (someone), particularly in the face, with a drinking glass with the intent of causing injury.