neutron.

An electrically neutral particle found in atomic nuclei, except ordinary hydrogen's nucleus.

Use it for

Words that belong together

• neutron flux
• neutron detector

On the page

The neutron detector registered a sudden rise.

Usage notes

Primary category: sci-fi. Forms: Singular neutron; plural neutrons. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.