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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

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