quartz
Word family adjectivequartziferousquartziticquartzosequartzynounquartzitequartz
Industry, Geology
quartz /kwɔːts $ kwɔːrts/ noun [uncountableU] 
HCETIa hard mineral substance that is used in making electronic watches and clocks 石英 quartz crystals
石英晶体
a quartz watch
石英表
Examples from the Corpus
quartz• This type of system works by pumping pond water through a quartz tube running parallel to an ultra violet germicidal lamp.• Halogen bulbs give instant heat, while a quartz grill, the latest innovation, is quick and efficient.• a quartz gold watch• Thermoluminescence is a property of crystalline materials, such as quartz and feldspars, which are found in pottery.• This phenomenon has been utilized for dating sedimentary deposits of quartz grains.• They consist mostly of quartz and feldspars, with a little mica or amphibole.• Within their surfaces are tiny specks of quartz.• Mixed in with the global iridium-bearing clay layer are tiny particles of heavily shocked quartz.• The Pga versus Umaa cross-plot shows quartz as the main mineral.
(1700-1800) German quarz
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