An extreme form of macromastia, usually with more than 2.5 kilograms of excess tissue.

Third-person singular simple present indicative form of deredden

(medicine) The antibiotic sulfamethoxazole

A chemical process for the production of phenol, involving the initial production of chlorobenzene from benzene, hydrochloric acid and oxygen, and then the hydrolysis of chlorobenzene to phenol.