English Explanatory Dictionary

Hubble constant

English dictionary entry

Meanings

name
  1. A number that expresses the rate of expansion of the universe; the velocity at which a distant object is receding from the Earth divided by its distance; its reciprocal determines the age of the universe.

Pronunciation

LL-Q1860 (eng)-Vealhurl-Hubble constant.wav

Word forms

Hubble constant Hubble's constant

Etymology

After Edwin Powell Hubble, American astronomer

Related words

Hubble law
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