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单词 beryl
释义
ber·yl (bĕrəl)
n.
A transparent to translucent glassy mineral, essentially aluminum beryllium silicate, Be3Al2Si6O18, occurring in hexagonal prisms and constituting the chief source of beryllium. Transparent varieties in white, green, blue, yellow, or pink are valued as gems.

[Middle English, from Old French, from Latin bēryllus, from Greek bērullos, from bērullion, from Prakrit veruliya, from Pali veuriya; perhaps akin to Tamil veiru or viar, to whiten, become pale.]

beryl·line (-ə-lĭn, -līn) adj.
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更新时间:2024/9/22 15:47:29