noun Fine Arts.
the practice and theory of abstract art.
Origin of abstractionism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for abstractionism
Historical Examples of abstractionism
the theory and practice of the abstract, esp of abstract art
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