noun
- Cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate today. (.
- synonyms: Hubble's constant, Hubble's parameter, Hubble parameter
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). hubble constant. Retrieved September 21, 2026, from http://smartdefine.org/hubble_constant/definitions/1285832 |
| Chicago | WordNet. 2010. "hubble constant" http://smartdefine.org/hubble_constant/definitions/1285832 (accessed September 21, 2026). |
| Harvard | WordNet 2010, hubble constant, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/hubble_constant/definitions/1285832>. |
| MLA | WordNet. "hubble constant" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/hubble_constant/definitions/1285832> |