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Science Dictionary:

alpha radiation

(al-fuh)

Particles sent out by some radioactive nuclei, each particle consisting of two protons and two neutrons bound together. Alpha particles carry a positive charge. (See beta radiation and gamma radiation.)

  • Alpha radiation, unlike gamma radiation, has low penetrating power; it can be stopped by clothing.

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    WordNet: alpha radiation
    Note: click on a word meaning below to see its connections and related words.

    The noun has one meaning:

    Meaning #1: the radiation of alpha particles during radioactive decay
      Synonym: alpha ray

     
     

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    Copyrights:

    Science Dictionary. The New Dictionary of Cultural Literacy, Third Edition Edited by E.D. Hirsch, Jr., Joseph F. Kett, and James Trefil. Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin. All rights reserved.  Read more
    WordNet. WordNet 1.7.1 Copyright © 2001 by Princeton University. All rights reserved.  Read more

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