- plural of nucleus.
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.
Atomic nuclei can exist in different energy states, but moving between those states typically requires enormous amounts of energy.
From Science Daily ● Oct. 11, 2026
The breakthrough relies on an unusual property of thorium atomic nuclei that scientists have investigated for decades.
From Science Daily ● Oct. 11, 2026
By using atomic nuclei as exceptionally stable references, nuclear clocks could eventually allow scientists to measure time and other physical quantities with levels of accuracy that existing technologies cannot reach.
From Science Daily ● Oct. 11, 2026
If the laser begins to drift away from that frequency, the amount of light absorbed by the nuclei decreases.
From Science Daily ● Oct. 11, 2026
Radium had passed its prime as an experimental source, for in its natural form, it did not produce particles with the energies necessary for probing heavy nuclei.
From "Big Science" by Michael Hiltzik
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