darmstadtium

[ dahrm-stat-ee-uhm ]

noun

, Chemistry, Physics.

1. a superheavy, synthetic, radioactive element with a very short half-life. : Ds; : 110.

darmstadtium

/ därm′shtät′ē-əm /

1. A synthetic radioactive element, first produced by bombarding lead atoms with nickel atoms. It has a mass number of 281, and its most stable isotope has a half-life of over one minute. Atomic number 110.
2. See Periodic Table

Word History and Origins

Origin of darmstadtium¹

First recorded in 2000–05; named after Darmstadt, the city in Germany where it was first created.