foundation

US /faʊnˈdeɪ.ʃən/
UK /faʊnˈdeɪ.ʃən/
"foundation" picture
1.

the lowest load-bearing part of a building, typically below ground level

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The house has a strong concrete foundation.
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Cracks in the foundation can indicate structural problems.
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basebasisbedrocksubstructureunderpinning
2.

an underlying basis or principle for something

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Trust is the foundation of any strong relationship.
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His research provides a solid foundation for future studies.
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basisgroundworkprinciplerudimentcornerstone
3.

an institution supported by an endowment or grants, providing funds for charities or research

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The Bill & Melinda Gates Foundation supports global health initiatives.
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She received a grant from a research foundation.
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endowmentcharityinstitutionfundtrust
4.

a cosmetic in the form of a cream or liquid, applied to the face to create an even, uniform color to the complexion

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She applied a light layer of liquid foundation to her skin.
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Choosing the right shade of foundation is crucial for a natural look.
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basemakeupprimerconcealer
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foundation course