Definition of dark energy in English:

dark energy

Syllabification: dark en·er·gy

noun

Physics A theoretical repulsive force that counteracts gravity and causes the universe to expand at an accelerating rate: Einstein’s theories allow for the possible existence of dark energy
More example sentences
  • Whatever dark energy turns out to be, we already know how to measure it and how to calculate its effects on the cosmos.
  • The evidence for gravitationally repulsive dark energy is strong, but there are gaps in our knowledge.
  • The energy density of dark energy, which depends on w, affects the expansion rate.

More definitions of dark energy

Definition of dark energy in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day setose
Pronunciation: ˈsēˌtōs
adjective
bearing bristles or setae; bristly