Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A star whose brightness varies because of internal changes or periodic eclipsing of mutually revolving stars.
Wiktionary
- n. Any star whose brightness varies.
GNU Webster's 1913
- n. a star whose brilliancy varies periodically, generally with regularity, but sometimes irregularly; -- called periodical star when its changes occur at fixed periods.
WordNet 3.0
- n. a star that varies noticeably in brightness
Examples
“Dating system in the realm of Khlaru just prior to Karsid first contact was a triple cycle of reign dates: the Arastphrid System common to the Gharhuil Continent in that era, and a longer cycle based on the variable star Algol.”
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