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chronological age

noun, Psychology.
the number of years a person has lived, especially when used as a standard against which to measure behavior, intelligence, etc. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for chronological age
Historical Examples
  • Our killer—no matter what his chronological age—does not think like an adult.

    Unwise Child Gordon Randall Garrett
  • It is an actual fact that the chronological age of an individual need not have much to do with his physical age.

    Physiology Ernest G. Martin
  • The intelligence quotient (often designated as I Q) is the ratio of mental age to chronological age.

    The Measurement of Intelligence Lewis Madison Terman
  • The mental age of a subject is meaningless if considered apart from chronological age.

    The Measurement of Intelligence Lewis Madison Terman
  • He had given his name as Steve Donnell, his date of birth as 3576, his chronological age as seventeen.

    Starman's Quest Robert Silverberg
  • In the warm daylight, Steve looked even older than the twenty-six years that was his chronological age.

    Starman's Quest Robert Silverberg
  • If a child's mental age is the same as his chronological age, he is just average, neither bright nor dull.

    Psychology Robert S. Woodworth
chronological age in Medicine

chronological age chron·o·log·i·cal age (krŏn'ə-lŏj'ĭ-kəl)
Abbr. CA, C.A.
The number of years a person has lived, used especially in psychometrics as a standard against which certain variables, such as behavior and intelligence, are measured.

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