ekabor \ek"abor`\ e^k".ab=or`, ekaboron \ek"abo"ron\
   -b=o"ro^n, n. g., fr. skr. =eka 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.
   1913 webster
see also:
scandium scandium