English noun: luminousness | |||
| 1. | luminousness (attribute) the quality of being luminous; emitting or reflecting light | ||
| Samples | Its luminosity is measured relative to that of our sun. | ||
| Synonyms | brightness, brightness level, light, luminance, luminosity | ||
| Broader (hypernym) | physical property | ||
| Narrower (hyponym) | glow, illuminance, illumination, incandescence, luminescence | ||
| Attribute | bright, dull | ||