protactinium

noun prot·ac·tin·i·um \ ˌprō-ˌtak-ˈti-nē-əm \

Definition of protactinium

:a shiny radioactive metallic element of relatively short life — see Chemical Elements Table

Origin and Etymology of protactinium

New Latin


Medical Dictionary

protactinium

noun prot·ac·tin·i·um \ ˌprōt-ˌak-ˈtin-ē-əm \
variants: also protoactinium play \ˌprōt-ō-\

medical Definition of protactinium

:a shiny metallic radioelement of relatively short life symbol Pa — see Chemical Elements Table

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