Definition of backfill in English:

backfill

Syllabification: back·fill
Pronunciation: /ˈbakˌfil
 
/

verb

[with object]
  • Refill (an excavated hole) with the material dug out of it: they backfill the hole to street level
    More example sentences
    • Finally we backfilled the hole and went to the house to clean up.
    • The contractor digs a small hole down about 18 ft., places a 12-in.-diameter slotted pipe in the hole, and backfills it with 0.75-in. washed rock.
    • The excavated soil should be mixed with well-rotted organic matter or a tree-planting compost before backfilling the hole.

noun

Back to top  
  • Material used for backfilling.
    More example sentences
    • It also implies, but does not explicitly require, important installation details, such as complete backfilling of the trench and thorough compaction of backfill.
    • The use of tire shreds as backfill has benefits ranging from the inherent lightweight of the material to increase in permeability.
    • Compaction of backfill materials is normally carried out by mechanical means, to achieve a specified percentage of compactivity.

More definitions of backfill

Definition of backfill in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day astrogation
Pronunciation: ˌastrəˈgāSHən
noun
(in science fiction) navigation in outer space