Associations to the word «Lanthanide»

Wiktionary

LANTHANIDE, noun. (chemistry) Any of the 14 rare earth elements from cerium (or from lanthanum) to lutetium in the periodic table; because their outermost orbitals are empty, they have very similar chemistry; below them are the actinides.
LANTHANIDE CONTRACTION, noun. (chemistry) (physics) the progressive decrease in the radii of atoms of the lanthanide elements as the atomic number increases; evident in various physical properties of the elements and their compounds

Dictionary definition

LANTHANIDE, noun. Any element of the lanthanide series (atomic numbers 57 through 71).

Wise words

Wisdom does not show itself so much in precept as in life - in firmness of mind and a mastery of appetite. It teaches us to do, as well as talk, and to make our words and actions all of a color.
Lucius Annaeus Seneca