paraldehyde Syllabification: (par·al·de·hyde)Pronunciation: /pəˈraldəˌhīd/Definition of paraldehyde noun Chemistry a liquid made by treating acetaldehyde with acid, used medicinally as a sedative, hypnotic, and anticonvulsant. A cyclic trimer of acetaldehyde; chemical formula: (CH3CHO)3 paraldehyde in other Oxford dictionaries Definition of paraldehyde in the British & World English dictionary
