Advertisement

Advertisement

vacuum energy

  1. Background energy in a vacuum associated with constant vacuum fluctuations . Some astronomers believe vacuum energy to be the source of energy for the apparent acceleration of the expansion of the universe.


Advertisement

Word of the Day

firkin

[fur-kin ]

Meaning and examples

Start each day with the Word of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Advertisement

Advertisement

Advertisement


vacuum dryingvacuum flask