[er.bi.um] n [NL, fr. Ytterby, Sweden] (1843): a metallic element of the rare-earth group that occurs with yttrium
ERBIUM
Meaning of ERBIUM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012
[er.bi.um] n [NL, fr. Ytterby, Sweden] (1843): a metallic element of the rare-earth group that occurs with yttrium
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012