quartz /kwɔːts $ kwɔːrts/ BrE AmE noun [uncountable]
[ Date: 1700-1800 ; Language: German ; Origin: quarz ]
a hard mineral substance that is used in making electronic watches and clocks:
quartz crystals
a quartz watch
quartz /kwɔːts $ kwɔːrts/ BrE AmE noun [uncountable]
[ Date: 1700-1800 ; Language: German ; Origin: quarz ]
a hard mineral substance that is used in making electronic watches and clocks:
quartz crystals
a quartz watch
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012