lanthanum

• Мягкий белый металлический элемент, легко тускнеющий, встречающийся в минералах редкоземельных металлов и обычно классифицируемый как редкоземельный элемент.

A soft, white metallic element that tarnishes readily, found in rare earth minerals and typically classified as a rare earth element.

uncountable

1. Chemical elementC1formalscientific

   A soft, silvery-white metallic element that tarnishes quickly when exposed to air. It is found in rare earth minerals and is commonly classified as a rare earth element.

   Химический элемент

   • Lanthanum is used in the production of high-quality camera lenses.
   • The element lanthanum is often found in minerals like monazite and bastnäsite.
   • Researchers are exploring new uses for lanthanum in battery technology.