noun
Meaning 1
A sparse warm-to-hot (105 to 107 K) plasma that cosmologists believe to exist in the spaces between galaxies and to contain 40–50% of the baryons in the universe at the current epoch.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: astronomy, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided