transcription, транскрипция: [ ˈnü-klē-ˌän, ˈnyü- ]
noun
Etymology: International Scientific Vocabulary
Date: 1923
1. : a proton or neutron especially in the atomic nucleus
2. : a hypothetical single entity with one-half unit of isospin that can manifest itself as either a proton or a neutron
• nu·cle·on·ic ˌnü-klē-ˈä-nik, ˌnyü- adjective