axion

[ak-see-on]

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noun Physics.

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

Origin of axion

1978; perhaps axi(al current) + -on¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for axion

axion

noun

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

Word Origin

C20: from axi (om) + -on

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for axion

n.

1978, from axial + scientific suffix -on.

axion

Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}axion

axion

Word Origin

Word Origin and History for axion

n.

Origin of axion