sodium

sodium definition - medical

so·di·um (sōˈdē-əm)

noun Symbol Na
A soft, light, highly reactive metallic element that is naturally abundant, especially in common salt. Atomic number 11.

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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