英语词汇“britholite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

britholite

/ˈbrɪθəlʌɪt/

Mineralogy

noun

Any of a group of minerals related to apatite, containing rare-earth elements (especially cerium) and typically occurring as pale yellow to dark brown or black masses of prismatic crystals. Now frequently with a suffix indicating the predominant rare-earth element.

The earliest identified of these minerals is britholite-(Ce), a silicate and phosphate of cerium and calcium, (Ce, Ca)₅(SiO₄, PO₄)₃(OH, F). Crystal system: hexagonal..

Origin

Late 19th century. From ancient Greek βρῖθος weight (from βρίθειν to be heavy, of uncertain origin, perhaps ultimately from the same Indo-European base as Early Irish bríg strength, power) + -o- + -lite.

单词	britholite
释义	britholite /ˈbrɪθəlʌɪt/ Mineralogy noun Any of a group of minerals related to apatite, containing rare-earth elements (especially cerium) and typically occurring as pale yellow to dark brown or black masses of prismatic crystals. Now frequently with a suffix indicating the predominant rare-earth element. The earliest identified of these minerals is britholite-(Ce), a silicate and phosphate of cerium and calcium, (Ce, Ca)₅(SiO₄, PO₄)₃(OH, F). Crystal system: hexagonal.. Origin Late 19th century. From ancient Greek βρῖθος weight (from βρίθειν to be heavy, of uncertain origin, perhaps ultimately from the same Indo-European base as Early Irish bríg strength, power) + -o- + -lite.
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