PROTACTINIUM


Meaning of PROTACTINIUM in English

n.

Pronunciation: ˌ pr ō - ˌ tak- ' ti-n ē - ə m

Function: noun

Etymology: New Latin

Date: 1918

: a shiny radioactive metallic element of relatively short life ― see ELEMENT table

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