(biochemistry) Any N-acyl derivative of phosphatidylethanolamine, especially those that are hormones associated with fat metabolism

(pharmacology) A bacteriostatic antimicrobial agent 4-[(4-aminobenzene)sulfonyl]aniline (C₁₂H₁₂N₂O₂S) used in the treatment of leprosy and a chronic form of dermatitis.

(organic chemistry) Any dichloro derivative of a phenol.

A channel in which the tide sets.