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optical double. In DICTIOUS you will not only get to know all the dictionary meanings for the word
optical double, but we will also tell you about its etymology, its characteristics and you will know how to say
optical double in singular and plural. Everything you need to know about the word
optical double you have here. The definition of the word
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optical double, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
English
Noun
optical double (plural optical doubles)
- (astronomy) A star that appears as a double due to an optical illusion; in reality, the stars may be far apart from each other.
Translations
star that appears as a double due to an optical illusion
See also