irregular galaxy

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irregular galaxy

See galaxies; Hubble classification.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

irregular galaxy

[i′reg·yə·lər ′gal·ik·sē]
(astronomy)
A galaxy which shows no definite order or shape, except that of a general flattened appearance.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.