This shows grade level based on the word's complexity.
montmorillonite
[ mont-muh-ril-uh-nahyt ]
/ ˌmɒnt məˈrɪl əˌnaɪt /
Save This Word!
This shows grade level based on the word's complexity.
noun
any of a group of clay minerals characterized by the ability to expand when they absorb large quantities of water.
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?
Also called smectite.
Origin of montmorillonite
1850–55; named after Montmorillon, France, where it was found; see -ite1
OTHER WORDS FROM montmorillonite
mont·mo·ril·lon·it·ic [mont-muh-ril-uh-nit-ik], /ˌmɒnt məˌrɪl əˈnɪt ɪk/, adjectiveWords nearby montmorillonite
montilla, Montluçon, Montmagny, Montmartre, Montmorency, montmorillonite, Montparnasse, Montpelier, Montpellier, Montrachet, Montreal
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
British Dictionary definitions for montmorillonite
montmorillonite
/ (ˌmɒntməˈrɪləˌnaɪt) /
noun
a clay mineral consisting of hydrated aluminium silicate: an important component of bentonite
Word Origin for montmorillonite
C19: named after Montmorillon, French town where it was first found, + -ite 1
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