parasitism
1. [ noun ] the relation between two different kinds of organisms in which one receives benefits from the other by causing damage to it (usually not fatal damage)
Related terms: mutuality
Similar spelling:   parasitic
  parasitical
  parasitemia
  parasite
  Parasitaxus
  parasitaemia
  parasiticidal
  parasitically
  parasite_yew
  parachutist