COSMOLOGICAL CONSTANT

Pronunciation (US):

(GB):

 Dictionary entry overview: What does cosmological constant mean? 

• COSMOLOGICAL CONSTANT (noun)
  The noun COSMOLOGICAL CONSTANT has 1 sense:

1. an arbitrary constant in the equations of general relativity theory

  Familiarity information: COSMOLOGICAL CONSTANT used as a noun is very rare.

 Dictionary entry details 

• COSMOLOGICAL CONSTANT (noun)

Sense 1

Meaning:

An arbitrary constant in the equations of general relativity theory

Classified under:

Nouns denoting quantities and units of measure

Hypernyms ("cosmological constant" is a kind of...):

constant (a number representing a quantity assumed to have a fixed value in a specified mathematical context)

 Context examples 

They also support the idea that dark energy is best explained by the “cosmological constant,” which Einstein first proposed and is equivalent to the energy of empty space.

("Russian Doll" Galaxy Clusters Reveal Information About Dark Energy, NASA)

The empty space plays a primordial role in Einstein's equations as it operates in a quantity known as a "cosmological constant", and the resulting universe model depends on it.

(There May Be No Dark Matter, Dark Energy in Universe, The Titi Tudorancea Bulletin)

So far, DES has found no evidence that the amount of dark energy has changed over time — a finding that is consistent with Albert Einstein's idea of a "cosmological constant."

(New Clues to Universe's Structure Revealed, NASA)