Vampirism
Pronunciation : Vam"pir*ism
Part of Speech : n.
Etymology : [Cf. F. vampirisme.]
Definition : 1. Belief in the existence of vampires.
2. The actions of a vampire; the practice of bloodsucking.
3. Fig.: The practice of extortion. Carlyle.
Source : Webster's Unabridged Dictionary, 1913