lanthanum
Plural: lanthanums
Noun
- a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
- A chemical element (symbol La) with an atomic number of 57: a soft, ductile, silvery-white metal that tarnishes slowly when exposed to air.
- An atom of this element.
Origin / Etymology
From Ancient Greek λανθάνω (lanthánō, “to escape notice”) + -um (“a chemical element”), because it had gone long undetected in mineral ores.
Synonyms
atomic number 57, La
Scrabble Score: 14
lanthanum is a valid Scrabble (US) TWL wordlanthanum is a valid Scrabble Word in Merriam-Webster MW Dictionary
lanthanum is a valid Scrabble Word in International Collins CSW Dictionary
Words With Friends Score: 18
lanthanum is a valid Words With Friends word