Ytterbium

[i'tә:biәm]

Definition

(noun.) a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime.

Checked by Calvin--From WordNet

Definition

(n.) A rare element of the boron group, sometimes associated with yttrium or other related elements, as in euxenite and gadolinite. Symbol Yb; provisional atomic weight 173.2. Cf. Yttrium.

Checker: Zachariah

Definition

n. an element discovered by Marignac in gadolinite.

Edited by Eileen