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lanthanide
lanthanide definition - medical
lan·tha·nide (lănˈthə-nīdˌ)
noun Any of the chemically related elements with atomic numbers 57 through 71. Also called rare earth, rare-earth element.
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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