- a quantum number that is related to the number of different values of electric charge that a given kind of baryon or meson may have. Symbol: I
Origin of isotopic spin
First recorded in 1935–40
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- See isospin
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
- See isospin.
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