Ybn.
/ˌwʌɪˈbiː/, U.S. /ˌwaɪˈbi/ Chemistry.
The element ytterbium.
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Yb1878
ytterbium1879
1878 tr. M. C. Marignac in Chem. News 1 Nov. 214/1 The formula YbO or Yb2O3 is attributed to its oxide.
1919 J. F. Spencer Metals Rare Earths vi. 155 The anhydrous chloride, YbCl3, has been prepared by the action of sulphur monochloride and chlorine on the heated oxide.
1984 N. N. Greenwood & A. Earnshaw Chem. of Elements (1986) xxx. 1439 The diiodides of Dy, Tm and Yb form layer structures.
2004 Jrnl. Biosci. & Bioengin. 98 214/2 The cells were found to be capable of adsorbing Yb preferentially.
This is a new entry (OED Third Edition, December 2013; most recently modified version published online December 2021).
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n.1878