| 单词 | yttro-columbite |
| 释义 | yttrium /itˈri-əm/nounA metallic element (symbol Y; atomic no 39) in the third group of the periodic system, usu classed with the rare earths ORIGIN: From Ytterby; see ety for ytterbium yttˈria noun Its oxide (Y2O3), a yellowish-white powder yttˈric or yttˈrious adjective yttrifˈerous adjective yttˈrocēˈrite noun A rare mineral, usu violet in colour, found embedded in quartz, a fluoride of yttrium, cerium, etc yttro-colˈumbite or yttro-tanˈtalite noun A brownish mineral found at Ytterby, a tantalate of yttrium, iron, calcium, etc |
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