indomethacin \in`do*meth"a*cin\, n. (Chem., Med.)
A nonsteroidal anti-inflammatory, antipyretic and analgesic
substance ({C19H16ClNO4}) prepared synthetically and used for
the treatment of pain and arthritis. It blocks prostaglandin
biosynthesis. Chemically, it is
1-(4-chlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetic
acid.
[PJC]