資料來源 : Webster's Revised Unabridged Dictionary (1913)

Ochlesis \Och*le"sis\, n. [NL., fr. Gr. ? disturbance, fr. ?
   crowd, mob.] (Med.)
   A general morbid condition induced by the crowding together
   of many persons, esp. sick persons, under one roof. --G.
   Gregory.