Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
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Noun
S: (n) Hubble's constant, Hubble constant, Hubble's parameter, Hubble parameter ((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)
S: (n) Hubble's constant, Hubble constant, Hubble's parameter, Hubble parameter ((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)