nuclei
Americannoun
noun
Etymology
Origin of nuclei
< Latin nucleī, nominative plural of nucleus; see nucleus
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.
If the atomic nuclei in a lump of iron were scaled up to human size, for instance, how far apart would they be from each other?
From The Wall Street Journal • May 15, 2026
To search for η′-mesic nuclei, the team carried out a high-precision experiment at the GSI Helmholtzzentrum für Schwerionenforschung in Germany.
From Science Daily • Apr. 25, 2026
Fusion is the process of fusing hydrogen nuclei together, which releases immense amounts of energy.
From BBC • Apr. 20, 2026
In these extreme environments, intense heat produces gamma rays that strip neutrons and other particles from existing heavy nuclei.
From Science Daily • Apr. 14, 2026
The sensitive counter clicks when exposed to gamma rays or to such high-energy charged particles as protons and helium nuclei.
From "Cosmos" by Carl Sagan
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.
