cyproheptadine

[sahy-proh-hep-tuh-deen]
noun Pharmacology.
  1. a phenothiazine analogue, C21H21N, with antihistaminic action, used in the symptomatic treatment of hay fever and itching.

Origin of cyproheptadine

First recorded in 1970–75; cy(clo-) + pro(pyl) + hepta- + (piperi)dine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018