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selenium eye. In DICTIOUS you will not only get to know all the dictionary meanings for the word
selenium eye, but we will also tell you about its etymology, its characteristics and you will know how to say
selenium eye in singular and plural. Everything you need to know about the word
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English
Noun
selenium eye (plural selenium eyes)
- (astronomy, historical) A device consisting of a closeable ball of blackened wood surrounding a glass lens that focuses light onto a selenium cell attached to a galvanometer; used by astronomers to measure the light variations of a heavenly body.