a transuranic element artificially produced by bombardment of einsteinium. Symbol: Md; atomic no: 101; half-life of most stable isotope, 258Md: 60 days (approx.); valency: 2 or 3
Word origin
C20: named after D. I. Mendeleyev
mendelevium in American English
(ˌmɛndəˈliviəm)
US
noun
a radioactive, metallic chemical element, one of the actinides, produced by bombarding einsteinium with high-energy alpha particles in a cyclotron: symbol, Md; at. no., 101
Word origin
ModL: so named in honor of Mendeleev by its discoverers, A. Ghiorso, B. G. Harvey, G. R. Choppin, S. G. Thompson, & G.T. Seaborg, U.S. physicists