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astrakhan
astral
astral body
astral plane
astral projection
astray
astride
astringent
astro-
astrobiology
astrobleme
astrochemistry
astrocompass
astrocyte
astrocytoma
astrodome
astrodynamics
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astro-
astro-


prefix 
Definition:
 
1. star, the stars, outer space
astrobiology
2. aster of a cell
astrocyte
[< Greek< astron "star" < astēr (see aster)]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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