Quartz (Noun)
Meaning 1
A hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities.
Classification
Nouns denoting substances.
Hyponyms
Meaning 2
Colorless glass made of almost pure silica.
Classification
Nouns denoting substances.
Examples
- Quartz is used in the manufacture of many types of colorless glass.
- This windowpane is made of high-quality quartz for clarity and strength.
- A brilliant crystal nestled among pebbles on the riverbed revealed its face, pure quartz within a drab casing.
- Granite rocks were originally a liquid melt with very small grains of quartz within the dark grains of minerals.
- From one quartz component it radiated every ray into four like any isotropic media made entirely of that crystalline glass.