HFN definitions

Hfn

1) Hafnium nitride
Found on https://www.crosswordclues.com/clue/hfn

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HfN

Hafnium Nitride Molar mass: 192.4967
Found on http://www.convertunits.com/molarmass/Hafnium+Nitride

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hfn

Hell fucking no
Found on http://www.noslang.com/dictionary/h/

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