mendelevium

[ men-dl-ee-vee-uhm ]

noun

, Chemistry, Physics.

1. a transuranic element. : Md, Mv; : 101.

mendelevium

/ ˌmɛndɪˈliːvɪəm /

noun

1. 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

mendelevium

/ mĕn′də-lē′vē-əm /

1. 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.
2. See Periodic Table

Word History and Origins

Origin of mendelevium¹

1950–55; named after D. I. Mendeleev; -ium

Word History and Origins

Origin of mendelevium¹

C20: named after D. I. Mendeleyev

Example Sentences

Researchers at the University of California used new techniques in forming and identifying element 101, mendelevium.

From Project Gutenberg