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chi meson

[ kahy ]
/ kaɪ /
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noun Physics.
a meson with a mass 6687 times that of the electron and a mean lifetime of approximately 1.5 X 10-20 seconds.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?
Also called chi particle .
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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