| glass |  | |
| 1. n. An amorphous solid, often transparent substance made by melting sand with a mixture of soda, potash and lime. | |
| The tabletop is made of glass. | |
| A popular myth is that window glass is actually an extremely viscous liquid. | |
| 2. n. 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. | |
| 3. n. (metonymically) The quantity of liquid contained in such a vessel. | |
| There is half a glass of milk in each pound of chocolate we produce. | |
| 4. n. Glassware. | |
| We collected art glass. | |
| 5. n. A mirror. | |
| She adjusted her lipstick in the glass. | |
| 6. n. A magnifying glass or telescope. | |
| 7. n. (sport) A barrier made of solid, transparent material. | |
| 8. n. (basketball, colloquial) The backboard. | |
| He caught the rebound off the glass. | |
| 9. n. (ice hockey) The clear, protective screen surrounding a hockey rink. | |
| He fired the outlet pass off the glass. | |
| 10. n. A barometer. | |
| 11. n. (attributive, in names of species) Transparent or translucent. | |
| glass frog; glass shrimp; glass worm | |
| 12. n. (obsolete) An hourglass. | |
| 13. v. To fit with glass; to glaze. | |
| 14. v. To enclose in glass. | |
| 15. v. (clipping of fibreglass). To fit, cover, fill, or build, with fibreglass-reinforced resin composite (fiberglass). | |
| 16. v. (transitive, UK, colloquial) To strike (someone), particularly in the face, with a drinking glass with the intent of causing injury. | |
| 17. v. (science fiction) To bombard an area with such intensity (nuclear bomb, fusion bomb, etc) as to melt the landscape into glass. | |
| 18. v. To view through an optical instrument such as binoculars. | |
| 19. v. To smooth or polish (leather, etc.), by rubbing it with a glass burnisher. | |
| 20. v. (archaic, reflexive) To reflect; to mirror. | |
| 21. v. To become glassy. | |
