counter-ion

[ koun-ter-ahy-uh n, -ahy-on ]
/ ˈkaʊn tərˌaɪ ən, -ˌaɪ ɒn /

noun Physical Chemistry.

an ion in solution that associates itself with an ion of opposite charge on the surface of a member of a solute.

Origin of counter-ion

counter- + ion

Words nearby counter-ion

counter jumper, counter reformation, counter table, counter-, counter-boulle, counter-ion, counter-reformation, counter-revolution, counter-revolutionary, counteract, counterargument