{ Ek"a*bor` (&ebreve;k"&adot;*bōr`), Ek"a*bo"ron (-bō"r&obreve;n), } n. [G., fr. Skr. ēka one + G. bor, boron, E. boron.] (Chem.) 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.