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underpinning - Meaning and Examples

Meaning of 'underpinning' (Webster Dictionary)

1 . Underpinning [ n.]
- The act of one who underpins; the act of supporting by stones, masonry, or the like.
- That by which a building is underpinned; the material and construction used for support, introduced beneath a wall already constructed.
- The foundation, esp. of a frame house.
2 . Underpinning [ p. pr. & vb. n.]
- of Underpin