astro- Hear it!

astro- definition

astro- (as′trō, -trə)

  1. star or stars astrophysics
  2. Zool. of an aster in mitosis astrosphere

Etymology: < Gr astron, star

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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