HN

Definitions of HN
  1. noun
    a colorless explosive liquid that is volatile and poisonous and foul-smelling
    synonyms: azoimide, hydrazoic acid, hydrogen azide
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    type of:
    explosive
    a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck
    hydride
    any binary compound formed by the union of hydrogen and other elements
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