handwavium

发音

UK /handˈweɪ.vi.əm/
其它
US /hændˈweɪ.vi.əm/

释义与例句

n.
  1. 1.

    Any hypothetical but unobtainable material with desirable engineering properties.

    非正式 不可数 媒体

词源

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

来源：wiktionary