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circumgalactic medium. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Noun
circumgalactic medium (countable and uncountable, plural circumgalactic mediums or circumgalactic media)
- (astronomy, plasma physics) 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.
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(space plasmas):
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