alpha ray


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Related to alpha ray: beta ray

alpha ray

n.
1. A rapidly moving alpha particle.
2. A narrow beam of such particles.

alpha ray

n
(General Physics) ionizing radiation consisting of a stream of alpha particles

al′pha ray`


n.
a stream of alpha particles. Also called al′pha radia`tion.
[1900–05]

alpha ray

A stream of alpha particles.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.alpha ray - the radiation of alpha particles during radioactive decayalpha ray - the radiation of alpha particles during radioactive decay
ionizing radiation - high-energy radiation capable of producing ionization in substances through which it passes
corpuscular radiation, particulate radiation - a stream of atomic or subatomic particles that may be charged positively (e.g. alpha particles) or negatively (e.g. beta particles) or not at all (e.g. neutrons)
References in periodicals archive ?
The 1st winner of the Car-a-thon won a 42 inch LED TV, the 2nd & 3rd winner took home a Yamaha Alpha Ray bike.
For example, the reader learns that Americium-241 is a radioactive element and an alpha ray emitter with a half-life of 432.7 years.
Similarly, [.sup.218]Po, a first generation decay product with a short half-life (3.1 minutes), was taken as the measuring object for alpha rays ([alpha]-rays).
Very methodically he began to study the properties of the alpha rays (helium nuclei), emanating from the decay of the radium, using his own specially designed apparatus.