neutron
noun
an elementary particle having no charge, mass slightly greater than that of a proton, and spin of ½: a constituent of the nuclei of all atoms except those of hydrogen. n
neutrons
-
pluralof neutron.plural
The grammatical form denoting more than one person, place, thing, or idea.
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.
Researchers expose rock samples to neutrons, converting the non-radioactive potassium isotope potassium-39 into argon-39.
From Science Daily ● Sep. 30, 2026
As neutrons pass through a specimen, they interact with atoms throughout the material and are especially sensitive to hydrogen atoms.
From Science Daily ● Sep. 24, 2026
Once X-ray imaging had exposed evidence of the fossilized blood vessels, the researchers turned to neutrons in hopes of finding additional clues from the vessels and other soft tissues.
From Science Daily ● Sep. 24, 2026
During that period, temperatures were so extreme that protons and neutrons had not yet formed.
From Science Daily ● Aug. 23, 2026
Determining when a radioactive isotope will decay—shed those extra neutrons and protons—is similar.
From "Meltdown" by Deirdre Langeland
