# rhenium

> English word · Noun · IPA /ˈɹiːniəm/

## Definitions
1. A metallic chemical element (symbol Re) with an atomic number of 75: a heavy, silvery-gray transition metal.
2. A single atom of this element.

## Etymology
From Latin Rhenus (“Rhine”), + -ium.

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