quartz

English dictionary entry

Meanings

noun
  1. The most abundant mineral on the earth's surface, of chemical composition silicon dioxide, SiO₂. It occurs in a variety of forms, both crystalline and amorphous. Found in every environment.
  2. Crystal meth: methamphetamine hydrochloride.

Pronunciation

/k(w)ɔːts/ /k(w)ɔɹts/ en-us-quartz.ogg

Word forms

quartz quartzes

Etymology

From German Quarz, from Middle High German (Central East German) quarz, twarc, from a West Slavic language [compare Polish twardy (“hard”), Czech tvrdý (“hard”)], from Proto-Slavic *tvьrdъ ultimately from Proto-Indo-European *twerH- (“to enclose, grab”).

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