The story
From hand waving + -ium (“the chemical element suffix”).
Etymology from Wiktionary, CC BY-SA 4.0.
handwavium
hand·wav·i·umToday it means: Any hypothetical but unobtainable material with desirable engineering properties. Full definition →
Today it means: Any hypothetical but unobtainable material with desirable engineering properties. Full definition →
From hand waving + -ium (“the chemical element suffix”).
Etymology from Wiktionary, CC BY-SA 4.0.