Home › Words › B › baloniumbalonium/bəˈləʊ.ni.əm/balonium means A fictional chemical element.balonium is pronounced /bəˈləʊ.ni.əm/.EtymologyFrom baloney + -ium. See baloney (“nonsense”).nounA fictional chemical element.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.pelopium 62% match — A supposed chemical element, later found to be a mixture of niobium and tantalum. vs balonium →boron 60% 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 balonium →carolinium 59% match — A supposed chemical element isolated from thorium. vs balonium →boracium 59% match — An old name for the chemical element boron. vs balonium →cyclonium 59% match — A rejected name for the chemical element promethium. vs balonium →bohrium 58% match — A transuranic chemical element (symbol Bh) with an atomic number of 107. vs balonium →terranium 57% match — A (fictional) element, especially a metal. vs balonium →feynmanium 57% match — The hypothetical chemical element with atomic number 137. vs balonium →