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isopropyl alcohol
isopropyl ether
isoproterenol
isoquant
isorhythm
isosceles
isoseismal
isosmotic
isospin
isostasy
isostatic adjustment
isostructural
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isospin

i·so·spin [ ssə spìn ] (plural i·so·spins)


noun 
Definition:
 
quantum characteristic relating to particle charge: a quantum characteristic of baryons and mesons that relates to the number of different values of electric charge they can have.
Symbol  I


[Mid-20th century. Contraction of isobaric spin, isotopic spin]
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