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photo

 - 7 dictionary results

pho·to

   [foh-toh]
–noun,plural-tos.
1.
photograph.
2.
Informal. photo finish.
Use photo in a Sentence
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. 2010.
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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," from PIE base *bha- "to shine" (see phantasm).
Online Etymology Dictionary, © 2010 Douglas Harper
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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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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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Science Dictionary
photo-  
A prefix that means "light," as in photoreceptor.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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