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.
Blazars are active galactic nuclei powered by supermassive black holes that shoot enormous jets of plasma directly toward Earth.
From Science Daily • May 24, 2026
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
When intense laser flashes strike matter, they can knock electrons out of their positions around atomic nuclei.
From Science Daily • May 1, 2026
To study these interactions, the team measured the excitation energy of the carbon nuclei by analyzing deuterons -the simplest atomic nucleus made of one proton and one neutron- that were emitted during the reaction.
From Science Daily • Apr. 25, 2026
According to conventional nuclear physics, this was extraordinary, even bizarre: nuclei of different weights would be expected to emit disintegration products of widely variable energies, with the heavy elements producing the more energetic recoils.
From "Big Science" by Michael Hiltzik
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.
