ERBIUM Meaning of ERBIUM in English [ 'ə:bɪəm ]■ noun the chemical element of atomic number 68, a soft silvery-white metal of the lanthanide series. (Symbol: Er )OriginC19: mod. L., from Ytterby (see ytt~ ). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004