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Definition of photo - 6 dictionary results

pho⋅to

[foh-toh]
–noun, plural -tos.
1. photograph.
2. Informal. photo finish.

Origin:
1855–60; shortened form of photograph

photo-

a combining form meaning “light” (photobiology); also used to represent “photographic” or “photograph” in the formation of compound words: photocopy.
Also, especially before a vowel, phot-.


Origin:
< Gk, comb. form of phôs (gen. phōtós)
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To photo
pho·to   (fō'tō)   
n.   pl. pho·tos
A photograph.
tr. & intr.v.   pho·toed, pho·to·ing, pho·tos
To photograph or take photographs.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

photo 
1860, shortening of photograph. The verb is first recorded 1868, from the noun. Photo finish is attested from 1936. Photo opportunity first recorded 1974.

photo- 
comb. form meaning "light" or "photographic," from Gk. photo-, comb. form of phos (gen. photos) "light" (see phosphorous.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

photo- or phot-
pref.

  1. Light; radiant energy: photosynthesis.

  2. Photographic: photofluorography.

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