pyrrolidone

pyr rol i done |pəˈrōləˌdōn pəˈroʊlədoʊn | ▶noun Chemistry a colorless weakly basic solid that is derived from pyrrolidine. [Chem. formula: C 4 H 7 NO. ]

pyrrolidone

pyrrolidone |pɪˈrɒlɪdəʊn | ▶noun [ mass noun ] Chemistry a colourless weakly basic solid which is a keto derivative of pyrrolidine. ●Chem. formula: C 4 H 7 NO.