slippage

noun6

1. •
   The act of slipping, especially from a secure location.
2. •
   A lessening of performance or achievement.

   • Supply-chain problems led to a slippage in production last week.
3. •
   Movement of earth on a slope, a landslip.

   • The slippage at High Brooms was detected by remote sensors on the site, after two previous incidents in the same area. — 2021
4. •
   The amount by which something has slipped.
5. •
   A decrease in motion, or in the power of a mechanical system, due to slipping.
6. •
   The difference between estimated and actual transaction costs.