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
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. 2003