Poly-: 1: Prefix meaning much or many. For example, polycystic means characterized by many cysts. 2: Short form for polymorphonuclear leukocyte, a type of white blood cell.
Poly-: 1: Prefix meaning much or many. For example, polycystic means characterized by many cysts. 2: Short form for polymorphonuclear leukocyte, a type of white blood cell.