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Webster 1913 Edition
Ignipotent
Ig-nip′o-tent
,Adj.
 [L. 
ignipotens
; ignis 
fire + potens 
powerful.] Presiding over fire; also, fiery. 
Vulcan is called the powerful 
ignipotent
. Pope.
2. 
Fig.: A misleading influence; a decoy. 
Scared and guided by the 
ignis fatuus 
of popular superstition. Jer. Taylor.
Webster 1828 Edition
Ignipotent
IGNIP'OTENT
,Adj.
 Presiding over fire.  Vulcan is called the power ignipotent.