Also found in: Wikipedia.
pl.n. (used with a sing. verb)
1. A technique involving the use of two or more artistic media, such as ink and pastel or painting and collage, that are combined in a single composition.
2. The combined use of media, such as television, radio, print, and the internet, as for advertising or publicity.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a. the integrated use of different forms of media, esp within the arts
b. (as modifier): mixed-media musical presentations.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
2. artistic media used in combination in a single work.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.