Webster’s Revised Unabridged Dictionary · 1913
Ekabor
Ek′a·bor′ (ĕk′ȧ·bōr′), Ek′a·bo′ron (-bō′rŏn), 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.