quartz

Definition

• n. 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

Word forms

Plural

quartzs

Example sentences

1. n.

   Quartz is commonly used in making watches because of its ability to keep time accurately.

2. 化

   In chemistry, quartz is often studied for its unique properties and structure.