Definition of terbium
: a metallic element of the rare-earth group — see element table
Recent Examples of terbium from the Web
The iPhone contains a chorus of eight rare earth elements: neodymium, praseodymium, dysprosium, terbium, gadolinium, europium, lanthanum, and yttrium.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'terbium'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of terbium
New Latin, from Ytterby, Sweden
First Known Use: 1843See Words from the same year
Seen and Heard
What made you want to look up terbium? Please tell us where you read or heard it (including the quote, if possible).