Lanthanum

noun

/ˈlænθənəm/

Word Frequency: 0.2

Definitions

1.nounA chemical element (symbol La) with an atomic number of 57: a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air.

2.nounAn atom of this element.

The Daily Word NerdA new word, a puzzle, and a fun fact — free in your inbox every morning.

Free forever · unsubscribe anytime · all 14 newsletters

That email did not go through — please check it and try again.