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
By examining highly precise data collected by DAMPE, researchers discovered a universal pattern in the energy spectra of primary cosmic ray nuclei, ranging from lightweight protons to much heavier iron nuclei.
From Science Daily • May 14, 2026
They also contributed to important measurements involving proton and helium fluxes and helped analyze carbon nuclei data.
From Science Daily • May 14, 2026
Fusion is the process of fusing hydrogen nuclei together, which releases immense amounts of energy.
From BBC • Apr. 20, 2026
But if atoms are so small and empty and the nuclei smaller still, why does the table hold me up?
From "Cosmos" by Carl Sagan
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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.