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that is.
Origin of i.e.
From the Latin word id est
Can be confused
e.g, i.e.


Industrial Engineer. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for i.e.
Contemporary Examples
Historical Examples
  • God, in his providence, ordains the Russian form of government,--i.e.

    Slavery Ordained of God Rev. Fred A. Ross, D.D.
  • “Only Trundle there,” i.e., only that poor insignificant thing there!

    Pickwickian Studies Percy Fitzgerald
  • Hence this result is always true: i.e. the Proposition “Some x are y” is always true!

    Symbolic Logic Lewis Carroll
  • Hence this result is always true: i.e. the Proposition ‘Some x are y’ is always true!

    Symbolic Logic Lewis Carroll
  • How many more there must be in the city (i.e., hair in the pubic region)!

British Dictionary definitions for i.e.


id est
Word Origin
Latin: that is (to say); in other words
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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Word Origin and History for i.e.

abbreviation of Latin id est, literally "that is;" used in English in the sense of "that is to say."

Online Etymology Dictionary, © 2010 Douglas Harper
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i.e. in Culture

i.e. definition

An abbreviation for id est, a Latin phrase meaning “that is.” It indicates that an explanation or paraphrase is about to follow: “Many workers expect to put in a forty-hour week — i.e., to work eight hours a day.” (Compare e.g.)

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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