1. Plural of chrominance; the component of a color signal in video or image processing that carries color information (hue and saturation), separate from brightness (luminance).
Usage: technical; used in video engineering, digital imaging, and color science

Examples

• The video codec separates chrominances from luminance to reduce file size.
• In YUV color space, chrominances are represented by the U and V channels.
• Digital television systems transmit chrominances at lower resolution than luminance.
• The chrominances in JPEG compression are often subsampled to improve efficiency.
• Engineers adjusted the chrominances to correct the color cast in the image.