Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The force that arises from the weak interaction of quarks and leptons.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The weak nuclear force.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun (physics) an interaction between elementary particles involving neutrinos or antineutrinos that is responsible for certain kinds of radioactive decay; mediated by intermediate vector bosons

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