transcription, транскрипция: [ ˈī-ən, ˈī-ˌän ]
noun
Etymology: Greek, neuter of iōn, present participle of ienai to go — more at issue
Date: circa 1834
1. : an atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons
2. : a charged subatomic particle (as a free electron)