underpinning
/AH1 N D ER0 P IH0 N IH0 NG/verb
- 1
To support from below with props or masonry.
โYou should underpin the mine roof to prevent further collapse.โ
- 2
To give support to; to corroborate.
โPublic confidence in politicians must underpin our democracy.โ
noun
- 1
A support or foundation, especially as a structure of masonry that supports a wall.
โThis house's underpinning is not up to standard.โ
- 2
A basis for something.
โI would like to know more about the underpinning of this political theory.โ
- 3
The lower body or legs.
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Source: https://en.wiktionary.org/wiki/underpin, https://en.wiktionary.org/wiki/underpinning