sulphonic acid(redirected from sulphonic acids)
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(Elements & Compounds) any of a large group of strong organic acids that contain the group –SO2OH and are used in the manufacture of dyes and drugs
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|Noun||1.||sulphonic acid - an acid derived from sulphuric acid|
acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
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