What is meant by thionic acid?
Score: 4.5/5 (60 votes) Medical Definition of thionic acid : any of a series of unstable acids of the general formula H2SnO6 in which the number of atoms of sulfur in the molecule varies from 2 to 6.What does Thionic mean?: relating to or containing sulfur.What is Polytechnic acid?Polylactic acid, a...