Home/pentahydroxypentahydroxy/pen-tuh-hahy-drok-see/US // ˌpɛn tə haɪˈdrɒk si //五羟基,五羟基化合物,五羟基的,五羟色胺Definitionsadj.形容词 adjective1 Chemistry.: containing five hydroxyl groups.Level 5Browse all words →