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Urdu Meanings, Pronounciation and Synonyms:

protoactinium

(Pronunciation -تلفظ سنیۓ ) US:
Slow
Normal
Noun: protoactinium
1. protoactinium [ Synonyms: atomic number 91, pa, protactinium]
A short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

Lexical Analysis

Generic Words:
metal, metallic element

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