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

Suit the action to the word, the word to the action.
William Shakespeare