Hubble law

proper noun

A law stating that the velocity at which a distant object is receding from the Earth (as measured by its redshift) is proportional to its distance; observational evidence for an expanding universe.

Similar
Lemaître's lawHubble's law
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Meanings

proper nounthe Hubble law

alternative Hubble's law

  1. astronomyA law stating that the velocity at which a distant object is receding from the Earth (as measured by its redshift) is proportional to its distance; observational evidence for an expanding universe.

    Synonyms: Lemaître's law

Synonyms & antonyms

proper nounA law stating that the velocity at which a distant object is receding from the Earth (as measured by its redshift) is proportional to its distance; observational evidence for an expanding universe.

Similar
Lemaître's law

More synonyms by meaning

noun(astronomy) the generalization that the speed of recession of distant galaxies (the red shift) is proportional to their distance from the observer

Similar
Hubble's law
Broader
lawlaw of nature
Also see
lemaître's law

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

After Edwin Powell Hubble, American astronomer

Full word history & related roots →

Translations

French Loi de Hubble
  • Loi de HubbleTranslations
Italian legge di Hubble
  • legge di HubbleTranslations
Polish prawo Hubble'a
  • prawo Hubble'aTranslations
Cite this entry
APA

Hubble law. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Hubble%20law

MLA

“Hubble law.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Hubble%20law. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Hubble law,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Hubble%20law.

Source: Hubble law on Wiktionary, CC BY-SA 4.0.