Complex sentence: In chemistry any solvent that carries hydrogen attached to oxygen as in a hydroxyl group, nitrogen as in an amine group, or, more generally, any molecular solvent which contains dissociable H +, such as hydrogen fluoride, is called a protic solvent.
Split into simpler sentences: In chemistry any solvent that carries hydrogen bond between an oxygen as in a hydroxyl group or a nitrogen as in an amine group. More generally, any molecular solvent which contains dissociable H +, such as hydrogen fluoride, is called a protic solvent.