| 单词 | allanite |
| 释义 | allanite[ al-uh-nahyt ] / ˈæl əˌnaɪt / noun Mineralogy.a member of the epidote group, a silicate of calcium, cerium, aluminum, and iron, occurring chiefly in brown-to-black masses or prismatic crystals. Origin of allanite1835–45; named after Thomas Allan (1777–1833), English mineralogist; see -ite1 OTHER WORDS FROM allaniteal·la·nit·ic [al-uh-nit-ik], /ˌæl əˈnɪt ɪk/, adjectiveWords nearby allaniteall-American, Allan, Allan-a-Dale, all and sundry, All animals are equal, but some animals are more equal than others, allanite, allantiasis, all'antica, allanto-, allantochorion, allantoic Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for allaniteallanite / (ˈæləˌnaɪt) / nouna rare black or brown mineral consisting of the hydrated silicate of calcium, aluminium, iron, cerium, lanthanum, and other rare earth minerals. It occurs in granites and other igneous rocks. Formula: (Ca,Ce,La,Y) 2 (Al,Fe,Be,Mn,Mg) 3 (SiO 4) 3 (OH) Word Origin for allaniteC19: named after T. Allan (1777–1833), English mineralogist Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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