# neodymium

> English word · Noun · IPA /nɪə(ʊ)ˈdɪmɪəm/ · frequency rank #63,833

## Definitions
1. A chemical element (symbol Nd) with an atomic number of 60: a hard, slightly malleable silvery rare earth metal that quickly tarnishes in air and moisture.
2. A single atom of this element.

## Etymology
From neo- + (di)dymium.

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