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darmstadtium

American  
[dahrm-stat-ee-uhm] / dɑrmˈstæt i əm /

noun

Chemistry, Physics.

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

darmstadtium Scientific  
/ 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

Etymology

Origin of darmstadtium

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Naturally there are berkelium, dubnium and darmstadtium, as well as livermorium - named after the Lawrence Livermore National Laboratory that, among other things, ensures that the US nuclear stockpile does not decay too quickly.

From BBC • Sep. 19, 2014

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.