LANTANIUM
\lantˈe͡ɪni͡əm], \lantˈeɪniəm], \l_a_n_t_ˈeɪ_n_iə_m]\
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2010
- New Age Dictionary Database
By Oddity Software
1913
- Webster's Revised Unabridged Dictionary
By Noah Webster.
1895
- Glossary of terms and phrases
By Henry Percy Smith