Definition of yttrium metal
: any of a group of metals separable as a group from other metals occurring with them and in addition to yttrium including the rare-earth metals holmium, erbium, thulium, ytterbium, and lutetium and sometimes gadolinium, terbium, and dysprosium — compare terbium metal
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up yttrium metal? Please tell us where you read or heard it (including the quote, if possible).