/ˌnjuːkliˈɒnɪk/ (NEW-klee-ON-ik)

Definitions

1. adjective

Relating to or derived from atomic nuclei, especially in nuclear physics.

“The nucleonic reactor was used for generating radioactive isotopes.”

2. noun

A nucleus or an atom in a state of nuclear instability or undergoing nuclear reactions.

“The nucleonic particles were studied using advanced spectroscopy techniques.”