- any of a group of hard glassy minerals of variable colour consisting of oxides of aluminium, magnesium, chromium, iron, zinc, or manganese and occurring in the form of octahedral crystals: used as gemstones
单词 | spinel |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 spi•nel (spi nel′, spin′l),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: spinel /spɪˈnɛl/ n
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