darmstadtium

[dahrm-stat-ee-uh m]

noun Chemistry, Physics.

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

Origin of darmstadtium

named after Darmstadt, the city in Germany where it was first created; see -ium

Formerly ununnilium, element 110.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

darmstadtium in Science

[därm′shtät′ē-əm]

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. See Periodic Table.