Found 2 items, similar to HN.
English → English (WordNet)
Definition: HN
HN
n : a colorless explosive liquid that is volatile and poisonous
and foul-smelling [syn:
hydrazoic acid,
azoimide,
hydrogen azide
]
English → English (gcide)
Definition: HN
HN
\HN\ n.
a colorless explosive liquid that is volatile, poisonous, and
foul-smelling.
Syn: hydrazoic acid, azoimide.
[WordNet 1.5]