Superbubble Definition

noun

(astronomy) A very large region of space, relatively free of matter, created by multiple supernova explosions.

Wiktionary

Other Word Forms of Superbubble

Noun

Singular:
superbubble
Plural:
superbubbles

Origin of Superbubble

  • super- +‎ bubble

    From Wiktionary

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superbubble