alpha ray

American  

noun

Physics.

1. a stream of alpha particles.

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alpha ray British  

noun

1. ionizing radiation consisting of a stream of alpha particles

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alpha ray Scientific  

1. A stream of alpha particles.

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Etymology

Origin of alpha ray

First recorded in 1900–05

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Example Sentences

See Examples For:

alpha ray

But in point of fact the ionisation due to an alpha ray is sui generis.

From The Birth-Time of the World and Other Scientific Essays by John Joly

Bragg and Kleeman, on path of the alpha ray, 215; stopping power, 219; laws affecting ionisation by alpha rays, 220; curve of ionisation and structure of the halo, 232.

From The Birth-Time of the World and Other Scientific Essays by John Joly

The fundamental criterion of radioactive change is the expulsion of the alpha ray.

From The Birth-Time of the World and Other Scientific Essays by John Joly

Bragg and Kleeman and others have investigated the career of the alpha ray when its path or range lies in a gas at ordinary or obtainable conditions of pressure and temperature.

From The Birth-Time of the World and Other Scientific Essays by John Joly

The retardation of the alpha ray in the atom is not affected.

From The Birth-Time of the World and Other Scientific Essays by John Joly

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