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n. A soft, bright, silvery rare-earth element occurring in two allotropic forms and used as an x-ray source for portable irradiation devices, in some laser materials, and in some special alloys. Atomic number 70; atomic weight 173.04; melting point 824°C; boiling point 1,196°C; specific gravity 6.972 or 6.54 (25°C) depending on allotropic form; valence 2, 3. See Table at element.

n. A metallic chemical element (symbol Yb) with an atomic number of 70.

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.

n. In making the ‘glowers’ or filaments for the Nernst incandescent electric lamps it has been found that the mixture of zirconia with the earths of the yttria group gives the most satisfactory results when the latter contain a large proportion of ytterbium as compared with yttrium.

n. Chemical symbol, Yb; atomic weight, 173 (?). An element discovered by Marignac in gadolinite, in regard to which little is known.

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

""A team in the US has built a teleporter capable of sending the state of ytterbium ions from one side of the lab to the other; something that until now had only been possible with photons.""

metallic element    metal   

yttrium   

aldebaranium   

erbium    ten-millionth    samarium    nitroso-    thorium    anti-seize    zirconia    wolfram    unsubstituted    sulfur-containing