Definition of slippages:
(n) :
A lessening of performance or achievement.
(n) :
The amount by which something has slipped.
(n) :
The act of slipping, especially from a secure location.
(n) :
The difference between estimated and actual transaction costs.
(n) :
A decrease in motion, or in the power of a mechanical system, due to slipping.
(n) :
Movement of earth on a slope, a landslip.