Word.ws English Dictionary

dark energy

dark energy noun: a hypothetical form of energy thought to be spread uniformly throughout space (and time) and to have anti-gravitational properties: it represents a possible mechanism for the cosmological constant, and thus is one of the possible explanations for the current accelerating rate of expansion of the universe; and it is estimated to account for about 74% of the mass-energy of the universe.

Noun

dark energy (uncountable)

  1. A hypothetical form of energy thought to be spread uniformly throughout space (and time) and to have anti-gravitational properties: it represents a possible mechanism for the cosmological constant, and thus is one of the possible explanations for the current accelerating rate of expansion of the universe; and it is estimated to account for about 74% of the mass-energy of the universe.
    • Even Albert Einstein, who first proposed it as the Cosmological Constant in his 1916 General Theory of Relativity, doubted dark energy existed. He called it his "greatest blunder". Now, after a five-year survey of nearly 240,000 galaxies reflecting eight billion years of cosmic history, a team of...2011 May 20, “After study of 240,000 galaxies, dark energy comes to light”, in The Australian

dark energy meaning in Hindi, Tamil, Urdu and Arabic

dark energy in Hindi

hypothetical form of energy which, it is supposed, is spread uniformly throughout space and time and has anti-gravitational properties
गुप्त ऊर्जा gupt ūrjā

dark energy in Tamil

hypothetical form of energy which, it is supposed, is spread uniformly throughout space and time and has anti-gravitational properties
கருப்பு ஆற்றல் karuppu āṟṟal

dark energy in Urdu

hypothetical form of energy which, it is supposed, is spread uniformly throughout space and time and has anti-gravitational properties
تاریک توانائی tārek tvānāī

dark energy in Arabic

hypothetical form of energy which, it is supposed, is spread uniformly throughout space and time and has anti-gravitational properties
طاقة مظلمة
More languagesFewer languages
dark energy in Malay
tenaga gelap
dark energy in Indonesian
energi gelap
dark energy in Persian
انرژی تاریک enerži-ye târik
dark energy in Vietnamese
năng lượng tối

Origin of dark energy

Coined by American cosmologist Michael Turner in 1998, in reference to the earlier term dark matter.

Questions about dark energy

What does dark energy mean?
Dark energy means a hypothetical form of energy thought to be spread uniformly throughout space (and time) and to have anti-gravitational properties: it represents a possible mechanism for the cosmological constant, and thus is one of the possible explanations for the current accelerating rate of expansion of the universe; and it is estimated to account for about 74% of the mass-energy of the universe.
What is dark energy in Hindi?
Dark energy in Hindi is गुप्त ऊर्जा (gupt ūrjā). See Dark energy meaning in Hindi.
What part of speech is dark energy?
Dark energy is a noun.

Words near dark energy in the dictionary

  1. dark earth
  2. dark elf
  3. dark elves
  4. dark empath
  5. dark empaths
  6. dark energy
  7. Dark Enlightenment
  8. dark factories
  9. dark factory
  10. dark fantasy
  11. dark fiber

Source and license

Adapted from Wiktionary: dark energy (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-dark energy.wav.

Cite this entry: “dark energy.” Word.ws, https://word.ws/dark_energy. Based on Wiktionary, CC BY-SA 4.0.