Definition of "chrominance" []

• The difference between one color and a reference color of the same brightness and chromaticity. (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.

• "We quickly forget that chrominance is missing as our perceptual system depend primarily on luminance."
• "Normally, the wardrobe folk make sure people aren't wearing stripes or patterns, where an interaction between fabric pattern and video scanning pixel pattern causes 'cross-colour interference' (i.e. the luminance signal breaks through into the chrominance)."
• "The Sony A500 uses a combination of on-sensor noise reduction at each photocell location, plus a two-step noise reduction procedure which operates both before and after analog-to-digital conversion, processing chrominance and luminance noise separately."