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alpha emitter

British  

noun

  1. a radioactive isotope that emits alpha particles

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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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 The Wall Street Journal

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

From The Guardian

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.