transcription, транскрипция: [ ˈprō-ˌtän ]
noun
Etymology: Greek prōton, neuter of prōtos first — more at prot-
Date: 1920
: an elementary particle that is identical with the nucleus of the hydrogen atom, that along with the neutron is a constituent of all other atomic nuclei, that carries a positive charge numerically equal to the charge of an electron, and that has a mass of 1.673 × 10 - 27 kilogram
• pro·ton·ic prō-ˈtä-nik adjective