An Etymological Dictionary of Astronomy and Astrophysics
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A galactic-scale wind driven by the collective effect of a large number of → supernovae and → winds from → massive stars occurring in the central region of a galaxy. Superwinds have been invoked, among other things, as the source by which the → intergalactic medium is provided with → enriched gas (see, e.g. Heckman et al. 1990, ApJS 74, 833).

→ super-; → wind.

A galaxy with → superwind characteristics. M 82 and NGC 4666 are among superwind galaxy candidates.

→ superwind; → galaxy.