lanthanoid
/ˈlænθənɔɪd/
noun
- A less common term for any element in the lanthanide series; a rare earth element with atomic numbers 57 through 71.
- In his research paper, he used the term 'lanthanoid' instead of 'lanthanide' for consistency.
- Lanthanoids have similar chemical properties because of their electron configurations.
- The lanthanoids are sometimes called the 'rare earths' even though some are fairly abundant.
Synonyms
adjective
- Relating to or characteristic of the lanthanide series of elements.
- The chemist specialized in lanthanoid chemistry for developing new phosphors.
- The lanthanoid contraction affects the size of atoms in the series.
- Lanthanoid compounds often exhibit bright colors and magnetic properties.