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.
Fusion does the opposite: It combines light atomic nuclei into heavier ones, releasing enormous energy.
From The Wall Street Journal • Mar. 28, 2026
Beta-delayed two-neutron emission occurs only in exotic nuclei, which are unstable and exist only briefly.
From Science Daily • Mar. 13, 2026
The findings suggest that as scientists explore regions of the nuclear landscape farther from stability, particularly among exotic nuclei such as Tennessine, existing models may no longer apply.
From Science Daily • Mar. 13, 2026
The discovery challenges long standing assumptions about where these unusual nuclear regions can form and offers new insight into the fundamental forces that hold atomic nuclei together.
From Science Daily • Mar. 8, 2026
The blast also created radioactive atoms—atoms with unstable nuclei that break apart, ejecting particles and rays as they decay.
From "Fallout: Spies, Superbombs, and the Ultimate Cold War Showdown" by Steve Sheinkin
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.
