What is glass?
What is glass?
- 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.
- A mirror.
- A barometer.
- A window or windowpane.
- Made or consisting of glass.
- To reflect.
- To scan (a tract of land or forest, for example) with an optical instrument.