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xenotime
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xenotime
[ˈzɛnə(ʊ)tʌɪm]
noun
[mass noun]a yellowish-brown mineral which occurs in some igneous rocks and consists of a phosphate of yttrium and other rare-earth elements
(矿)磷钇矿
Composition: native yttrium phosphate
成分: 由天然钇磷酸盐组成
语源
mid 19th cent.: from xeno-, apparently erroneously for Greek
kenos
'vain, empty', +
timē
'honour' (because it was wrongly supposed to contain a new metal)
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