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n. Abbr. I
A quantum number related to the number of charge states of a baryon or meson.
[iso(topic) + spin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(General Physics) an internal quantum number used in the classification of elementary particles. Particles which have very similar properties except for those associated with their charge are regarded as forms of the same fundamental particle with different components of the isospin in a certain direction in an imaginary space. Also called: isobaric spin or isotopic spin
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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 Also called isospin.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.