cation

cation definition - medical

cat·i·on (kătˈīˌən)

noun
An ion or group of ions having a positive charge and characteristically moving toward the negative electrode in electrolysis.

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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