element 114
Americannoun
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An artificially produced radioactive element whose most stable isotope has a mass number of 289 and a half-life of approximately 2.7 seconds. Radioactive decay of all isotopes is chiefly by alpha-particle transmission.
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Also called ununquadium
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See Periodic Table
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.
Take element 114, flerovium - named after the founder of the Dubna research centre - the existence of which was confirmed by a team under Nitsche's leadership.
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.
