# cosmological constant

(redirected from*Einstein's cosmological constant*)

Also found in: Thesaurus, Encyclopedia.

## 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.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ThesaurusAntonymsRelated WordsSynonyms

**Legend:**Switch to new thesaurus

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" |

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

Translations

**kosmologinen vakio**

Want to thank TFD for its existence? Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content.

Link to this page: