gray card
Americannoun
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.
To every man in uniform I give a white card; to every man without a uniform, who seemed to be there for earnest, I give a gray card.
From Si Klegg, Book 3 (of 6) Si And Shorty Meet Mr. Rosenbaum, The Spy, Who Relates His Adventures by McElroy, John
There was placed before the subject a gray card, upon which were put a series of two-point distances ranging from 2 to 20 cm.
From Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. by Münsterberg, Hugo
The importance of simultaneous contrast is easily demonstrated upon a painting by isolating any colored object from its surroundings by means of a hole in a gray card.
From Visual Illusions Their Causes, Characteristics and Applications by Luckiesh, Matthew
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.
