allanite

[ al-uh-nahyt ]

/ ˈæl əˌnaɪt /

Save This Word!

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.

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Origin of allanite

1835–45; named after Thomas Allan (1777–1833), English mineralogist; see -ite¹

OTHER WORDS FROM allanite

al·la·nit·ic

[al-uh-nit-ik], /ˌæl əˈnɪt ɪk/, adjective

Words nearby allanite

all-American, Allan, Allan-a-Dale, all and sundry, All animals are equal, but some animals are more equal than others, allanite, all'antica, allantoic, allantoid, allantoin, allantois

British Dictionary definitions for allanite

allanite

/ (ˈæləˌnaɪt) /

noun

a 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 allanite

C19: 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