alpha emitter

noun

1. a radioactive isotope that emits alpha particles

Example Sentences

Thorium is an alpha emitter and, once in the body, it can cause cancer and other anomalies.

From Salon

The tests came back positive for polonium-210, an alpha emitter.

From Wall Street Journal

One day he told Seaborg triumphantly that he had found an alpha emitter and had already ruled out that it could be an isotope of element 91, 92, or 93.

From Literature

Their method involved bombarding aluminum foils with alpha rays produced by their usual rudimentary source, a hunk of the inexpensive but vigorous alpha emitter polonium.

From Literature

There, scientists suspected that polonium, a powerful alpha emitter, was involved.

From The Guardian