# cosmological constant

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## cosmological constant

*n.*

A constant introduced into the general theory of relativity, proportional to the energy density of the vacuum, and related to the rate of expansion or contraction of the universe. The vacuum energy represented by the cosmological constant is a form of dark energy.

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Noun | 1. | cosmological constant - an arbitrary constant in the equations of general relativity theoryconstant - a number representing a quantity assumed to have a fixed value in a specified mathematical context; "the velocity of light is a constant" |

Translations

**kosmologinen vakio**

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