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Webster 1913 Edition
Ekaboron
{
Ek′a-borˊ
(ĕk′ȧ-bōrˊ)
, Ek′a-bo′ron
(-bō′rŏn)
, } Noun.
[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
.