Noun : the monochromatism of Southern Sung art.    From Dictionary.com. 

Since it's dark and cold outside for most of the year, the smorgasbord itself must be an attempt to offset tedium, angst, and monochromatism.    From Wordnik.com.  [With Best Countries Like These…] Reference

Obama's election offers a unique opportunity to highlight French politics's striking monochromatism.    From Wordnik.com.  [open Democracy News Analysis - Comments] Reference

"This partiality, monochromatism and bias could have been found in the Slovak press before 1989," he stated.    From Wordnik.com.  [Slovak Spectator] Reference

monochromatism.    From Wordnik.com.  [What I Want to Be When I Grow Up - A Dress A Day] Reference