[men-dl-ee-vee-uh m] /ˌmɛn dlˈi vi əm/

noun, Chemistry, Physics.
a transuranic element. Symbol: Md, Mv; atomic number: 101.
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

1955, Modern Latin, in honor of Dmitri Ivanovich Mendeleev.

mendelevium men·de·le·vi·um (měn’də-lē’vē-əm)
Symbol Md
A synthetic radioactive element; its most stable isotope is Md 258 with a half-life of 56 days. Atomic number 101.
Symbol Md
A synthetic, radioactive metallic element of the actinide series that is produced by bombarding einsteinium with helium ions. Its most stable isotope is Md 258 with a half-life of approximately 51.5 days. Atomic number 101. See Periodic Table.


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