Thesaurus
A really fast thesaurus... with lots of synonyms.
optical double (0 synonym found)
Definition of optical double:
(n) :
a star that appears as a double due to an optical illusion; in reality, the stars may be far apart from each other
Definition of optical double:
(n) :
a star that appears as a double due to an optical illusion; in reality, the stars may be far apart from each other
A make the world a better place giveback project.
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