adjective, grain·i·er, grain·i·est.
resembling grain; granular. having a natural or simulated grain, as wood, wallpaper, etc.
Photography. (of a negative or positive) having a granular appearance.
Origin of grainy
Related formsgrain·i·ness, noun
First recorded in 1605–15; grain
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for graininess
Historical Examples of graininess
Graininess may be caused by too much acid or too much moisture in the cheese.
Have you ever sat close to the screen in a motion picture theatre, so that the graininess of the moving film was visible?
The cat Bartouki took such pains to develop was of a plastic that does not have the graininess of concrete.
British Dictionary definitions for graininess
adjective grainier or grainiest
Derived Formsgraininess, noun
resembling, full of, or composed of grain; granular
resembling the grain of wood, leather, etc
photog having poor definition because of large grain size
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
Word Origin and History for graininess
1610s, from grain + -y (2). In Middle English, grain also was used as an adjective, "like grain, lumpy, spotted" (early 15c.).
Online Etymology Dictionary, © 2010 Douglas Harper