Axion definition

ăksē-ŏn
Frequency:
A hypothetical boson having no charge or spin and small mass, proposed to explain the existence of certain symmetries of the strong nuclear force.
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A hypothetical subatomic particle thought to be a lightweight, electrically neutral boson essential to the strong interaction.
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(physics) A hypothetical subatomic particle postulated to explain some symmetry problems arising in the strong nuclear force.
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Other Word Forms

Noun

Singular:
axion
Plural:
axions

Origin of axion

  • axi(al) –on

    From American Heritage Dictionary of the English Language, 5th Edition

  • Named by Frank Wilczek 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.

    From Wiktionary