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ytterbia
ytterbia n. 
/ɪˈtɜːbɪə/ Chemistry the oxide of ytterbium.
/ɪˈtɜːbɪə/ Chemistry the oxide of ytterbium.ΘΚΠ
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ytterbia1879
1879 Jrnl. Chem. Soc. 36 118 Solutions of ytterbia give no absorption-spectrum.
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