English Explanatory Dictionary

circumgalactic medium

English dictionary entry

Meanings

noun
  1. The gas and plasma in the region surrounding a galaxy, beyond the galactic disc or ovoid, or interstellar medium (ISM), but within the galaxy's virial radius.

Word forms

circumgalactic medium circumgalactic mediums circumgalactic media

Synonyms

CGM

Related words

intergalactic medium interplanetary medium interstellar medium intracluster medium

Derived words

CGM
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