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protactinium

noun

a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

Quick reference

Word Facts

Word length
12
Starts with
P
Ends with
M
Contains
RO
Scrabble score
18
Database source
OEWN 2025 Core

How it sounds

Pronunciation

ˌpɹəʊ.tækˈtɪn.i.əm

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Meaning

Definitions

noun

  1. a short-lived radioactive metallic element formed from uranium and disintegrating into actinium and then into lead

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