Home › Words › B › boraciumboraciumboracium means an old name for the chemical element boron.EtymologyCoined by British chemist Humphry Davy in 1808, from borax + -ium.nounAn old name for the chemical element boron.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.boraciferous 71% match — Yielding or containing borax. vs boracium →boracous 68% match — Only used in boracous acid. vs boracium →boracic 68% match — Relating to, or impregnated with borax. vs boracium →borian 68% match — Containing boron. vs boracium →boric 67% match — Of, pertaining to, or containing the element boron. vs boracium →boracite 67% match — A mixed chloride and borate of magnesium that occurs as a white to green crystalline evaporite, with the chemical formula Mg₃B₇O₁₃Cl. vs boracium →boron 65% match — The chemical element (symbol B) with an atomic number of 5, which is a metalloid found in its pure form as a dark amorphous powder. vs boracium →boronatrocalcite 64% match — Synonym of ulexite. vs boracium →