eka-boron

See also: ekaboron

English

Etymology

From eka- +‎ boron: the name given by Dmitri Mendeleev to the then undiscovered element at the position of scandium in his periodic table.

Noun

English Wikipedia has an article on:

Mendeleev's predicted elements

Wikipedia

eka-boron (uncountable)

1. (chemistry) scandium
   • 1902, John Charles Hessler, Albert Lincoln Smith, Essentials of Chemistry:

     In 1880, Nilson and Cleve discovered in a Scandinavian mineral a new element which had the properties of eka-boron. They called it Scandium.