Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun quartz_crystal

1 sense of quartz crystal

Sense 1
quartz crystal -- (a thin plate or small rod of quartz cut along certain lines and ground so that it can produce an electric signal at a constant frequency; used in crystal oscillators)
       => quartz -- (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)