handwavium

/handˈweɪ.vi.əm/

handwavium means any hypothetical but unobtainable material with desirable engineering properties. Lexicurio rates it Sui generis — a strength score of 89 out of 100.

handwavium is pronounced /handˈweɪ.vi.əm/.

Etymology

From hand waving + -ium (“the chemical element suffix”).

noun

Any hypothetical but unobtainable material with desirable engineering properties.“My handwavium was an invented mineral, but - reading up - what about platinum? Could I substitute platinum for handwavium?”