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person-day

American  
[pur-suhn-dey] / ˈpɜr sənˌdeɪ /

noun

  1. a unit of measurement, especially in accountancy, based on an ideal amount of work done by one person in one working day.

Etymology

Origin of person-day

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For people over 65, the researchers calculated there were 3 billion more “person-day” exposures to extreme heat than the average from 1986 to 2005.

From Seattle Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.