trip·tan 
(trĭptn)
(trĭptn)n.
Any of a class of drugs that act as agonists of serotonin, result in cranial vasoconstriction, and are used for the prophylaxis and treatment of migraine headaches.
[From -triptan, triptan suffix, shortening and alteration of TRYPTAMINE.]
- radiobiology
- radiobroadcast
- radiocarbon
- radiocarbon dating
- radiochemical
- radiochemistry
- radio collar
- radio compass
- radioecological
- radioecologist
- radioecology
- radio frequency
- radio frequency identification
- radio galaxy
- radiogenic
- radiogram
- radiograph
- radiographer
- radiographic
- radiographically
- radiography
- radioimmunoassay
- radioimmunological
- radioimmunology
- radioiodine