terbium

terbium definition - medical

ter·bi·um (tûrˈbē-əm)

noun Symbol Tb
A soft metallic rare-earth element used in x-ray tubes. Atomic number 65.

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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