'Vampirism' definitions:

Definition of 'vampirism'

From: WordNet
noun
Belief in the existence of vampires
noun
The actions or practices of a vampire

Definition of 'Vampirism'

From: GCIDE
  • Vampirism \Vam"pir*ism\, n. [Cf. F. vampirisme.] [1913 Webster]
  • 1. Belief in the existence of vampires. [1913 Webster]
  • 2. The actions of a vampire; the practice of bloodsucking. [1913 Webster]
  • 3. Fig.: The practice of extortion. --Carlyle. [1913 Webster]