noun
- The quality of being luminous; emitting or reflecting light.
- usage: "its luminosity is measured relative to that of our sun"
- synonyms: luminosity, brightness, brightness level, luminance, light
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). luminousness. Retrieved September 21, 2026, from http://smartdefine.org/luminousness/definitions/1292537 |
| Chicago | WordNet. 2010. "luminousness" http://smartdefine.org/luminousness/definitions/1292537 (accessed September 21, 2026). |
| Harvard | WordNet 2010, luminousness, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/luminousness/definitions/1292537>. |
| MLA | WordNet. "luminousness" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/luminousness/definitions/1292537> |