supernova remnant
noun Astronomy.
an expanding shell of gas, with accompanying strong radio and x-ray emissions, produced by a supernova.
Words nearby supernova remnant
supernaturalism,
supernaturality,
supernaturalize,
supernormal,
supernova,
supernova remnant,
supernumerary,
supernurse,
supernutrient,
superolateral,
superorder