Definition of "chromo" [chro•mo]

• Informal A chromolithograph. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The chromosphere extends from the top of the temperature minimum region up another 2000 kilometers and is named for the Greek word chromo which means color."
• "(Hey, did you know the Y chromo is shrinking - so to speak?"
• "They got their name— chromo, the Greek word for color—when, in early genetic research, dyes of different colors were used as means of identification."