/ Dictionary / Index P person-year: Meaning and Definition of Find definitions for: per•son-year Pronunciation: (pûr'sun-yēr"), [key] — n. a unit of measurement, esp. in accountancy, based on an ideal amount of work done by one person in a year consisting of a standard number of person-days. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. person-to-person persorption Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language