En*de"mic (?), En*de"mic*al (?), a. [Gr. , ; + the people: cf. F. end'emique.] Med.
Peculiar to a district or particular locality, or class of persons; as, an endemic disease.
⇒ An endemic disease is one which is constantly present to a greater or less degree in any place, as distinguished from an epidemic disease, which prevails widely at some one time, or periodically, and from a sporadic disease, of which a few instances occur now and then.
© Webster 1913.