PROMETHIUM


Meaning of PROMETHIUM in English

transcription, транскрипция: [ -thē-əm ]

noun

Etymology: New Latin, from Latin Prometheus

Date: 1948

: a radioactive metallic element of the rare-earth group obtained as a fission product of uranium or from neutron-irradiated neodymium — see element table

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