corundum
音标[kә'rʌndәm]
汉语翻译
n. 刚玉, 金刚砂
【化】 刚玉
【医】 刚沙, 金刚沙
【化】 刚玉
【医】 刚沙, 金刚沙
英语解释
名词 corundum:
- very hard mineral used as an abrasive同义词:corundom
详细解释
co.run.dum
n.(名词)An extremely hard mineral, aluminum oxide, Al2O 3, sometimes containing iron, magnesia, or silica, that occurs in gem varieties such as ruby and sapphire and in a common black, brown, or blue form used chiefly in abrasives. 刚玉:一种极为坚硬的矿物,氧化铝,Al2O 3,有时含铁、氧化镁或硅土,存在于各种宝石中,如红宝石、蓝宝石,并且在磨蚀剂中以普通的黑色、棕色或蓝色形式出现
来源:Tamil kuruntam 泰米尔语 kuruntam
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