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IQ

See more synonyms for IQ on Thesaurus.com
Psychology.
  1. intelligence quotient.
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Origin of IQ

First recorded in 1960–65

i.q.

  1. the same as.
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Origin of i.q.

From the Latin word idem quod
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for iq

Contemporary Examples

Historical Examples

  • The IQ of the bright child is above 100 and of the dull child below 100.

    Psychology

    Robert S. Woodworth

  • An IQ of 125 means that he has picked up knowledge and skill 25 per cent.

    Psychology

    Robert S. Woodworth

  • The IQ of the exactly average child, of any age, is 1, or 100 per cent.

    Psychology

    Robert S. Woodworth

  • In this progressive age, some children even know their own IQ.

    Psychology

    Robert S. Woodworth

  • Words are often written with nasalized finals: n for t sometimes, ng for k almost always, irn (only) for iq.


British Dictionary definitions for iq

iq

the internet domain name for
  1. Iraq
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IQ

abbreviation for
  1. intelligence quotient
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i.q.

abbreviation for
  1. idem quod
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Word Origin

Latin: the same as
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

Word Origin and History for iq

I.Q.

1922, abbreviation of intelligence quotient, a 1921 translation of German Intelligenz-quotient, coined 1912 by German psychologist William L. Stern (1871-1938).

Intelligence is a general capacity of an individual consciously to adjust his thinking to new requirements: it is general mental adaptability to new problems and conditions of life. [Stern, "The Psychological Methods of Testing Intelligence," 1914]
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Online Etymology Dictionary, © 2010 Douglas Harper

iq in Medicine

IQ

abbr.
  1. intelligence quotient
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.