ion

ion definition - medical

i·on (īˈən, īˈŏnˌ)

noun
An atom or a group of atoms that has acquired a net electric charge by gaining or losing one or more electrons.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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