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Dictionary


coun•ter-i•on



Pronunciation: (koun'tur ī"un, -ī"on), [key]
n. Physical Chem.
an ion in solution that associates itself with an ion of opposite charge on the surface of a member of a solute.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

counterintuitivecounterirritant

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