Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A rapidly moving alpha particle.
- noun A narrow beam of such particles.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A stream of
alpha particles .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun the radiation of alpha particles during radioactive decay
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