semidetached binary


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Related to semidetached binary: Contact binary

semidetached binary

See binary star; equipotential surfaces.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

semidetached binary

[¦sem·i·di′tacht ′bī‚ner·ē]
(astronomy)
A binary system whose secondary member fills its Roche lobe but whose primary member does not.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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