thiocyanic acid
noun
thio·cyanic acid
| \ ¦thī(ˌ)ō+...-\
Definition of thiocyanic acid
: an unstable liquid acid HSCN or HNCS of strong odor that is usually obtained by distilling a thiocyanate salt with dilute sulfuric acid and that polymerizes readily — see isothiocyanic acid
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