For Backfill we have terms and definitions in 6 topics. The topics are Construction, Corrosion, Forestry, Gardening, Roofing and Sanitation.

Backfill (Construction)

The replacement of excavated earth into a trench around or against a basement /crawl space foundationwall.

Backfill (Corrosion)

Material placed in a drilled hole to fill space around anodes, vent pipe, and buried components of a cathodic protection system.

Backfill (Forestry)

To return the soil to a planting area from which it was originally dug.

Backfill (Gardening)

Replacing dirt from the original hole after planting.

Backfill (Roofing)

(1) filling in any previously excavated area. (2) in carpentry, tthe process of fastening together two pieces of board by gluing blocks of wood in the interior angle.
BACKFLOW- The flow of liquids through irrigation into the pipes of a potable or drinking water supply from any source which is opposite to the intended direction of flow.

Backfill (Sanitation)

(1) The operation of refilling an excavation, usually after some structure or pipeline has been placed therein. (2) The material placed in an excavation in the process of backfilling.

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