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[kron-oh] /ˈkrɒn oʊ/
noun, plural chronos.
Origin of chrono
by shortening; see -o


a combining form meaning “time,” used in the formation of compound words:
Also, especially before a vowel, chron-.
< Greek, combining form of chrónos Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for chrono
Historical Examples
  • I look at my chrono and see that in five minutes the hopper will come.

    The Lost Kafoozalum Pauline Ashwell
  • He stopped by Jeff Arnold, who was jotting down figures from the chrono.

    We're Friends, Now Henry Hasse
  • Crag looked at the chrono, then swung his eyes to the instruments.

    First on the Moon Jeff Sutton
  • A look at the chrono sent the dream out of his head and he hurried through shaving and dressing.

    Double Take Richard Wilson
  • I come back and see by my chrono that the blood-seal should be set; I get my hands under the computer.

    The Lost Kafoozalum Pauline Ashwell
British Dictionary definitions for chrono


combining form
indicating time: chronology, chronometer
Word Origin
from Greek khronos time
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
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Word Origin and History for chrono


before vowels chron-, word-forming element meaning "time," from Latinized form of Greek khrono-, comb. form of khronos "time, a defined time, a lifetime, a season, a while," which is of uncertain origin.

Online Etymology Dictionary, © 2010 Douglas Harper
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chrono in Medicine

chrono- or chron-
Time: chronobiology.

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