Pyrosulphuric is a 13 letter word which starts with the letter P and ends with the letter C for which we found 1 definitions.
Definition |
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(a.) Pertaining to or designating an acid called also disulphuric acid) obtained by distillation of certain sulphates as a colorless thick oily liquid H2S2O7 resembling sulphuric acid. It is used in the solution of indigo in the manufacture of alizarin and in dehydration. |