Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
Hubble's parameter | Yes | No | No | No |
constant | Yes | Yes | No | No |
Hubble's parameter (noun) | constant (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 | a quantity that does not vary |
a number representing a quantity assumed to have a fixed value in a specified mathematical context |
Hubble's parameter (adjective) | constant (adjective) |
---|---|
steadfast in purpose or devotion or affection | |
uninterrupted in time and indefinitely long continuing | |
unvarying in nature |