isotone

[ ahy-suh-tohn ]
/ ˈaɪ səˌtoʊn /

noun Physics.

one of two or more atoms having an equal number of neutrons but different atomic numbers.

Origin of isotone

First recorded in 1930–35; iso- + tone

British Dictionary definitions for isotone

isotone
/ (ˈaɪsəˌtəʊn) /

noun

one of two or more atoms of different atomic number that contain the same number of neutrons

Medical definitions for isotone

isotone
[ īsə-tōn′ ]

n.

One of two or more atoms whose nuclei have the same number of neutrons but different numbers of protons.