quartz

noun \ ˈkwȯrts \
Updated on: 8 Dec 2017

Definition of quartz

1 : a mineral consisting of silicon dioxide occurring in colorless and transparent or colored hexagonal crystals or in crystalline masses
2 : a quartz crystal that when placed in an electric field oscillates at a constant frequency and is used to control devices which require precise regulation
  • a quartz watch

quartzose

play \ˈkwȯrt-ˌsōs\ adjective

Recent Examples of quartz from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quartz.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of quartz

German Quarz


QUARTZ Defined for English Language Learners

quartz

noun

Definition of quartz for English Language Learners

  • : a mineral that is often found in the form of a hard crystal and that is used especially to make clocks and watches


QUARTZ Defined for Kids

quartz

noun \ ˈkwȯrts \

Definition of quartz for Students

: a common mineral often found in the form of colorless transparent crystals but sometimes (as in amethysts, agates, and jaspers) brightly colored

Medical Dictionary

quartz

noun \ ˈkwȯ(ə)rts \

medical Definition of quartz

: a mineral SiO2 consisting of a silica that occurs in colorless and transparent or colored hexagonal crystals and also in crystalline masses

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