Dictionary.com

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
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?
cactus
wallet
goat
party
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, allantiasis, all'antica, allanto-, allantochorion, allantoic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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
FEEDBACK