thiocyanic acid

noun thio·cyanic acid \¦thī(ˌ)ō+...-\

Definition of thiocyanic acid

  1. :  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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Origin and Etymology of thiocyanic acid

thiocyanic International Scientific Vocabulary thi- + cyanic


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