vampirism Meaning, Definition & Usage

  1. noun belief in the existence of vampires
  2. noun the actions or practices of a vampire

WordNet

Vam"pir*ism noun
Etymology
Cf. F. vampirisme.
Definitions
  1. Belief in the existence of vampires.
  2. The actions of a vampire; the practice of bloodsucking.
  3. Fig.: The practice of extortion. Carlyle.

Webster 1913