Boracium

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An old name for the chemical element boron. obsolete, uncountable

Etymology

Coined by British chemist Humphry Davy in 1808, from borax + -ium.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.