D defs.my
Entry 2 senses Webster, 1913

Parasitism

/(păr"ȧ*sī`tĭz'm; 277)/ · Par·a·si·tism · IPA /ˈpæɹəs(a)ɪˌtɪzm̩/
01 n. The state or behavior of a parasite; the act of a parasite.
  1. 1.
    The state or behavior of a parasite; the act of a parasite.
  2. 2.
    The state of being parasitic.(Bot. & Zool.)