epidote
[ ep-i-doht ]
/ ˈɛp ɪˌdoʊt /
noun
a mineral, calcium aluminum iron silicate, Ca2(Al, Fe)3Si3O12(OH), occurring in green prismatic crystals.
QUIZZES
IT’S A WORD OF THE DAY QUIZ BONANZA!
This windfall of words will make you rich with knowledge. Mine your memory on the words from July 27 to August 2!
Question 1 of 7
What does "scattergood" mean?
a person who acts as though he or she knows everything and who dismisses the opinions, comments, or suggestions of others.
a person who spends possessions or money extravagantly or wastefully; spendthrift.
a well-intentioned but naive and often ineffectual social or political reformer.
TAKE THE QUIZ TO FIND OUTOrigin of epidote
1800–10; <French épidote<Greek *epidotós given besides, increased (verbid of epididónai), equivalent to epi-epi- + dotós given (verbid of didónai)
OTHER WORDS FROM epidote
ep·i·dot·ic [ep-i-dot-ik], /ˌɛp ɪˈdɒt ɪk/, adjectiveWords nearby epidote
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for epidote
British Dictionary definitions for epidote
epidote
/ (ˈɛpɪˌdəʊt) /
noun
a green mineral consisting of hydrated calcium iron aluminium silicate in monoclinic crystalline form: common in metamorphic rocks. Formula: Ca 2 (Al,Fe) 3 (SiO 4) 3 (OH)
Derived forms of epidote
epidotic (ˌɛpɪˈdɒtɪk), adjectiveWord Origin for epidote
C19: from French épidote, ultimately from Greek epididonai to increase, from didonai to give; so called because two sides of its crystal are longer than the other two sides
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
Scientific definitions for epidote
epidote
[ ĕp′ĭ-dōt′ ]
A yellowish-green or blackish-green monoclinic mineral. Epidote occurs as formless grains or as prism-shaped crystals, and is found in limestones that have undergone slight metamorphism or in igneous rocks. Chemical formula: Ca2(Al, Fe)3(SiO4)3OH.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.