einsteinium
nounUS /aɪnˈstaɪni.əm/
Etymology From Einstein + -ium. Named after Albert Einstein.
1
A transuranic chemical element (symbol Es) with atomic number 99: a soft, silvery, paramagnetic metal.
- Einsteinium, the 99th element of the periodic table, was discovered in the fallout of the first hydrogen bomb, detonated by the United States in the Marshall Islands on November 1, 1952.2021 February 3, Becky Ferreira, “Scientists Just Studied a Dangerous Element Discovered in a 50s Nuke Test”, in VICE:
- Related terms
- einsteinate, Einsteinian