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Noun vitriol has 2 senses
vitriol, oil of vitriol, sulfuric acid, sulphuric acid - (H2SO4) a highly corrosive acid made from sulfur dioxide; widely used in the chemical industry--1 is a kind of acid
 --1 has substances: sulfur, S, sulphur, atomic number 16
 --1 has particulars: battery acid, electrolyte acid
 
vituperation, invective, vitriol - abusive or venomous language used to express blame or censure or bitter deep-seated ill will--2 is a kind of abuse, insult, revilement, contumely, vilification
 
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