backfill

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈbækˌfɪl/US:USA pronunciation: respellingUSA pronunciation: respelling(bakfil′)


WordReference Random House Unabridged Dictionary of American English © 2025
back•fill  (bakfil′),USA pronunciation n. 
  1. Civil Engineeringmaterial used for refilling an excavation.

v.t. 
  1. Civil Engineeringto refill (an excavation).
  • back2 + fill 1950–55

Collins Concise English Dictionary © HarperCollins Publishers::
backfill / ˈbækˌfɪl/
  1. (transitive) to refill an excavated trench, esp (in archaeology) at the end of an investigation
  1. the soil used to do this
'backfill' also found in these entries (note: many are not synonyms or translations):

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