# polonium

> English word · Noun · IPA /pəˈləʊ.nɪ.əm/ · frequency rank #55,022

## Definitions
1. A rare, highly radioactive chemical element (symbol Po) with atomic number 84.

## Etymology
From New Latin polonium, from Medieval Latin Polonia (“Poland”), named after Marie Curie's homeland.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/polonium