Eka-boron

Origin

The name given by Dmitri Mendeleev to the then undiscovered element at the position of scandium in his periodic table.

Noun

1. (chemistry) scandium
• 1902 John Charles Hessler, Albert Lincoln Smith - Essentials of ChemistryIn 1880, Nilson and Cleve discovered in a Scandinavian mineral a new element which had the properties of eka-boron. They called it Scandium.