backfilling

As verbs the difference between backfill and backfilling

is that backfill is to refill a hole with the material dug out of it while backfilling is present participle of backfill.

As a noun backfill

is the material that has been used to refill an excavation.

As a verb backfilling

is .

As a noun excavation is

(uncountable) the act of excavating, or of making hollow, by cutting, scooping, or digging out a part of a solid mass.

As verbs the difference between backfilling and refilling

is that backfilling is while refilling is .

As a noun refilling is

the act of filling again; a refill.