1. Qualité de ce qui est lumineux (propre ou figuré).
2. Énergie totale rayonnée par une source lumineuse (astre).
ETYM AS. beorhines. Related to Bright.
The perceived quality of radiance or luminosity of a visible object. Brightness is literally in the eye (and mind) of the beholder; a candle in the night appears brighter than the same candle under incandescent lights. Although its subjective value cannot be measured with physical instruments, brightness can be measured as luminance (radiant energy). The brightness component of a color is different from its color (the hue) and from the intensity of its color (the saturation). See also color model, HSB.
1. Intelligence as manifested in being quick and witty; SYN. cleverness, smartness.
2. The location of a visual perception along the black-to-white continuum.
The brightness of a color based on a scale from black to white on your monitor.
Or brightness; In astronomy, the amount of light emitted by a star, measured in magnitudes. The apparent brightness of an object decreases in proportion to the square of its distance from the observer. The luminosity of a star or other body can be expressed in relation to that of the Sun.The quality of being luminous; emitting or reflecting light; SYN. brightness, luminance, luminousness, light.