ruthenium

ruthenium definition - medical

ru·the·ni·um (ro͞o-thēˈnē-əm)

noun Symbol Ru
A hard acid-resistant metallic element that is found in platinum ores. Atomic number 44.

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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