interplanetary gas is a noun meaning "a rarefied flow of gas and charged particles (plasma) that stream from the sun and form the solar wind". It carries one recorded sense.
a rarefied flow of gas and charged particles (plasma) that stream from the sun and form the solar wind
Definitions, synonyms and semantic relations for interplanetary gas come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.