photo
[ foh-toh ]
/ ˈfoʊ toʊ /
Save This Word!
noun, plural pho·tos.
Informal. photo finish.
QUIZZES
QUIZ YOURSELF ON "WAS" VS. "WERE"!
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Meet Grammar Coach
Improve Your Writing
Origin of photo
First recorded in 1855–60; shortened form of photograph
Definition for photo (2 of 2)
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 of photo-
<Greek, combining form of phôs (genitive phōtós)
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for photo
British Dictionary definitions for photo (1 of 2)
British Dictionary definitions for photo (2 of 2)
photo-
combining form
of, relating to, or produced by lightphotosynthesis
indicating a photographic processphotolithography
Word Origin for photo-
from Greek phōs, phōt- light
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
Medical definitions for photo
photo-
pref.
Light; radiant energy:photosynthesis.
Photographic:photofluorography.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for photo
photo-
A prefix that means light, as in photoreceptor.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.