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alpha ray
noun
Physics.
- a stream of alpha particles.
alpha ray
noun
- ionizing radiation consisting of a stream of alpha particles
alpha ray
- A stream of alpha particles.
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˜yÐÄvlog History and Origins
Origin of alpha ray1
First recorded in 1900–05
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Example Sentences
Examples have not been reviewed.
“Keeps out the alpha rays, Max! You don’t get old.â€
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After a few minutes of viewing, the discoverer of alpha rays crawled from the hutch and declared, “I know an alpha when I see one.â€
From
He had named them alpha rays, but as he found he could not get them to penetrate even a thin sheet of paper, he was confident that they must be atoms of matter.
From
If trapped inside the body, though, alpha rays can cause cancer.
From
The alpha rays are projected particles which lose energy in penetrating matter.
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