slippage

1. The act of slipping, especially from a secure location. (countable, uncountable)
2. The amount by which something has slipped. (countable, uncountable)
3. A lessening of performance or achievement. (countable, uncountable) · Supply-chain problems led to a slippage in production last week.
4. A decrease in motion, or in the power of a mechanical system, due to slipping. (countable, uncountable)
5. The difference between estimated and actual transaction costs. (countable, uncountable)
6. Movement of earth on a slope, a landslip. (countable, uncountable)

Plural slippages