quartz
quartz 英 [kwɔːts] 美 [kwɔrts]
n. 石英
名词复数:quartzs
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- n. 石英
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1. The quartz watch keeps good time.
石英表走时准。
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2. quartz glass
石英玻璃
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3. quartz lamp
石英灯
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4. quartz clock
石英钟
- quartz (n.) "silicon dioxide," 1756, from German Quarz, Zwarc "rock crystal," from Middle High German twarc, probably from a West Slavic source, compare Czech tvrdy, Polish twardy "quartz," noun uses of an adjective meaning "hard," from Old Church Slavonic tvrudu "hard," from Proto-Slavic *tvrd-, from PIE *(s)twer- "to grasp, hold; hard."
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