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bifluoride

American  
[bahy-floor-ahyd, -flawr-, -flohr-] / baɪˈflʊər aɪd, -ˈflɔr-, -ˈfloʊr- /

noun

Chemistry.
  1. an acid salt of hydrofluoric acid containing the group HF 2 -, as ammonium bifluoride, NH 4 HF 2.


Etymology

Origin of bifluoride

bi- 1 + fluoride