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transfermium

American  
[trans-fur-mee-uhm] / trænsˈfɜr mi əm /

adjective

Chemistry.

  1. having an atomic number greater than 100, the atomic number of fermium.

Example Sentences

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As the transfermium wars continued, an irony emerged: atomic researchers were chasing immortality through the discovery of elements that quickly blinked out of existence.

From The New Yorker • Dec. 27, 2019

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.