PROTIUM


Meaning of PROTIUM in English

transcription, транскрипция: [ ˈprō-tē-əm, ˈprō-shē- ]

noun

Etymology: New Latin, from Greek prōtos first

Date: 1933

: the ordinary light hydrogen isotope of atomic mass 1

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.