Material used to refill an excavated area, such as soil, gravel, or other substances. After laying the pipes, the construction crew used sand as backfill to cover the trench.
The act of refilling an excavated area with material. The backfill of the foundation was completed before the rainy season started.
A replacement or substitute for a position or role, often temporarily. The company hired a backfill for the project manager who was on maternity leave.
The process of adding missing historical data to a database, log, or other dataset. The analytics team scheduled a backfill to load last year's transactions.