POSITRONIUM


Meaning of POSITRONIUM in English

transcription, транскрипция: [ ˌpä-zə-ˈtrō-nē-əm ]

noun

Date: 1945

: a short-lived system that consists of a positron and an electron bound together and is suggestive of a hydrogen atom

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