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lawrencium definition

☆ law·ren·cium (lô ren′sē əm)

noun

a radioactive, metallic chemical element, the last member of the actinide series: originally produced by bombarding californium with boron nuclei: symbol, Lr; at. no., 103

Etymology: ModL: so named after E. O. Lawrence (see Ernest O(rlando) Lawrence), who invented the cyclotron + -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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