Mahdism
Pronunciation : Mah"dism
Part of Speech : n.
Definition : Defn: Belief in the coming of the Mahdi; fanatical devotion to the cause of the Mahdi or a pretender to that title. -- Mah"dist (#), n.
Mahdism has proved the most shameful and terrible instrument of bloodshed and oppression which the modern world has ever witnessed. E. N. Bennett.
Source : Webster's Unabridged Dictionary, 1913