Skip to Content
Medical Term:


Pronunciation: nu'tron

Definition: An electrically neutral particle in the nuclei of all atoms (except hydrogen-1) with a mass slightly greater than that of a proton; in isolation, has a half-life of about 10.3 minutes.

[L. neuter, neither]

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.