Definitions for axionˈæk siˌɒn

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  1. axion(Noun)

    a hypothetical subatomic particle postulated to explain some symmetry problems arising in the strong nuclear force.

  2. Origin: Named by after Axion, a brand of laundry detergent, for its -on suffix and the notion that the new particle could "clean up" a problem in physics.

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  1. Axion

    The axion is a hypothetical elementary particle postulated by the Peccei–Quinn theory in 1977 to resolve the strong CP problem in quantum chromodynamics. If axions exist and have low mass within a specific range, they are of interest as a possible component of cold dark matter.

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