IONIUM


Meaning of IONIUM in English

transcription, транскрипция: [ ī-ˈō-nē-əm ]

noun

Etymology: ion; from its ionizing action

Date: 1907

: a natural radioactive isotope of thorium having a mass number of 230

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