1. The plural of luminance; the intensity of light emitted from or reflected by a surface, measured in candelas per square meter.
Usage: technical; physics; commonly used in optics, display technology, and lighting design
2. In color science and imaging, the measure of the brightness component of a color, independent of hue and saturation.
Usage: technical; used in video, photography, and computer graphics

Examples

• The luminances of the two screens were measured to ensure consistent display quality.
• Engineers adjusted the luminances across different regions of the LED panel.
• High luminances are required for outdoor displays to remain visible in sunlight.
• The camera sensor recorded variations in luminances throughout the scene.
• Color grading software allows editors to modify luminances independently from color information.