slippage

Noun

slippage (countable and uncountable, plural slippages)

1. The act of slipping, especially from a secure location.
2. The amount by which something has slipped.
3. A lessening of performance or achievement.
   • 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.
5. The difference between estimated and actual transaction costs.
6. 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 February 24, “Landslips close lines near Tonbridge”, in RAIL, number 925, page 22