lanthanide series

noun

, Chemistry.

1. the series of rare-earth elements of atomic numbers 57 through 71 (lanthanum through lutetium).

lanthanide series

noun

1. a class of 15 chemically related elements with atomic numbers from 57 (lanthanum) to 71 (lutetium)

Word History and Origins

Origin of lanthanide series¹

First recorded in 1940–45

Example Sentences

Notably, the team provided the first demonstration of a feature of lanthanide contraction in solution for the whole lanthanide series, including promethium, atomic number 61.

From Science Daily