01 n. The name given by Mendelejeff in accordance with the periodic law, and by prediction, to a hypothetical element then unknown, but since dis…
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The name given by Mendelejeff in accordance with the periodic law, and by prediction, to a hypothetical element then unknown, but since discovered and named scandium; -- so called because it was a missing analogue of the boron group. See Scandium.(Chem.) Also: scandium See: Scandium