rutherfordium Hear it!

rutherfordium definition

ruther·for·dium (rut̸h′ər för′dē əm, rut̸h′-)

noun

a radioactive chemical element with a very short half-life: a transactinide produced by bombarding californium or plutonium with high-energy nuclear particles: symbol, Rf; at. no., 104

Etymology: ModL, after Ernest Ernest Rutherford + -ium

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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