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2 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 celtium
 鉿

From: Webster's Revised Unabridged Dictionary (1913)

 Cel·ti·um n.  Chem. The first proposed name for a supposed new element of the rare-earth group, accompanying lutecium and scandium in the gadolinite earths. It is now considered identical to Lutetium. The proposed symbol was Ct (no period), but this name and symbol are no longer used.
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