POSITRONIUM


Meaning of POSITRONIUM in English

Pronunciation: ˌ pä-z ə - ' tr ō -n ē - ə m

Function: 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 Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.