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
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.
