/ Dictionary / Index C chronological age: Meaning and Definition of Find definitions for: chronolog'ical age' Pronunciation: [key] — Psychol. Psychol. the number of years a person has lived, esp. when used as a standard against which to measure behavior, intelligence, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chronological chronologist Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language