Read Edit View history 刚玉 gāngyù corundum Origin Definitions Defs Strokes Stroke Words Sentences Sents 刚玉 剛玉 gāngyù corundum A mineral made of aluminum oxide that is extremely hard; transparent varieties are known as 红宝石 hóngbǎoshí or 蓝宝石 lánbǎoshí Frequency Written text 0.367 per million Cross-References Same as 刚石 gāngshí Sources Frequency data BCC Corpus (BLCU)
刚玉 剛玉 gāngyù corundum A mineral made of aluminum oxide that is extremely hard; transparent varieties are known as 红宝石 hóngbǎoshí or 蓝宝石 lánbǎoshí Frequency Written text 0.367 per million Cross-References Same as 刚石 gāngshí Sources Frequency data BCC Corpus (BLCU)