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positive ray
noun
Physics.
a stream of positive ions traveling from a metallic anode to the cathode in a gas-discharge tube.
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Word History and Origins
Origin of positive ray1
First recorded in 1900–05
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Before testing positive, Ray had attended meetings with top commanders from each of the armed services.
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“The prospect of some sort of stimulus is a positive ray of light,” said Sarat Sethi of Douglas C. Lane & Associates.
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“I said I never want that to happen again. I went to the chief a week later and said we can turn this into something positive,” Ray said.
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"He had a marijuana positive," Ray Flynn told Reuters in a telephone call from the United States.
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