Definitions for ytterbiumɪˈtɜr bi əm
Random House Webster's College Dictionary
yt•ter•bi•umɪˈtɜr bi əm(n.)
a rare metallic element forming compounds resembling those of yttrium.
Ref: Symbol: Yb; 1
Origin of ytterbium:
1875–80; < NL, =Ytterb(y) a quarry near Stockholm, Sweden +-ium -ium2
ytterbium, Yb, atomic number 70(noun)
a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime
A metallic chemical element (symbol Yb) with an atomic number of 70.
Origin: Named for the Swedish town of Ytterby.
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
U.S. National Library of Medicine
Ytterbium. An element of the rare earth family of metals. It has the atomic symbol Yb, atomic number 70, and atomic weight 173. Ytterbium has been used in lasers and as a portable x-ray source.