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axion

[ ak-see-on ]

noun

, Physics.
  1. a hypothetical particle having no charge, zero spin, and small mass: postulated in some forms of quantum chromodynamics.

axion

/ ˈæksɪˌon /

noun

  1. physics a hypothetical neutral elementary particle postulated to account for certain conservation laws in the strong interaction

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Word History and Origins

Origin of axion1

1978; perhaps axi(al current) + -on 1

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Word History and Origins

Origin of axion1

C20: from axi ( om ) + -on

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axiom of countabilityaxis

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