axion
[ ak-see-on ]
/ ˈæk siˌɒn /
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noun Physics.
a hypothetical particle having no charge, zero spin, and small mass: postulated in some forms of quantum chromodynamics.
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Origin of axion
1978; perhaps axi(al current) + -on1
Words nearby axion
axiology, axiom, axiomatic, axiom of choice, axiom of countability, axion, axioplasm, axioversion, axipetal, axis, axis deer
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for axion
Well, axions were a very different kind of particle, quite different from anything before.
John Preskill, Mark Wise and I worked this out and discovered that in fact lots of axions get left over, and that they would have just the right properties to supply the “dark matter” that cosmologists seem to need.
In subsequent years I was able to spin off one successful application of those ideas after another — or do other creative things like axions, though that was much later.
Most importantly, if the sun creates axions, then all stars do.
British Dictionary definitions for axion
axion
/ (ˈæksɪˌon) /
noun
physics a hypothetical neutral elementary particle postulated to account for certain conservation laws in the strong interaction
Word Origin for axion
C20: from axi (om) + -on
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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