lanthane[Français]

nom
1 : a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
2 : a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
3 : a white soft metallic element that tarnishes readily; occurs in rare earth minerals and is usually classified as a rare earth
Definitions