n [U] any of various types of hard mineral (esp crystallized silica) 石英
*[attrib 作定语] a quartz clock/watch, ie one that is operated, very accurately, by the electric vibrations of a quartz crystal 石英钟[表].
[Date: 1700-1800; Language: German;Origin: quarz]
a hard mineral substance that is used in making electronic watches and clocks
a quartz watch
1. He bought a quartz watch. 他买了一只石英表。