from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A star whose brightness varies because of internal changes or periodic eclipsing of mutually revolving stars.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any star whose brightness varies.
from the GNU version of the Collaborative International Dictionary of English
- n. a star whose brilliancy varies periodically, generally with regularity, but sometimes irregularly; -- called periodical star when its changes occur at fixed periods.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a star that varies noticeably in brightness
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