/faʊn'deɪʃn; faun`deʃən/
n
1 [U] act of founding (an institution, organization, etc) （机构、组织等的）建立, 创立, 创办
*the foundation of the university 大学的创办.
2 [C]
(a) (organization set up to provide) sums of money for research, charity, etc （为研究、慈善事业等提供的）基金, 基金会
*the Ford Foundation福特基金
* You may be able to get support from an arts foundation. 你可以从文艺基金会得到资助.
(b) institution, eg a college or hospital, that is established by means of such a fund （用基金建立的）机构（如学院或医院）.
3 [C usu pl 通常作复数] layer of bricks, concrete, etc forming the solid base of a building underground 地基; 房基; 基础
*lay the foundations of a building 给建筑物奠基
* The huge lorries shook the foundations of the house. 大卡车驶过时, 连房基都震动了.
4 [C, U] principle, idea or fact on which sth is based; basis （作为某事的）基本原则、思想或事实; 基础
*lay the foundations of one's career 奠定个人事业的基础
* The political scandal shook the nation to its very foundations. 这一政治丑闻从根本上动摇了该国家.
* The conclusions must have some solid foundation in reality. 这些结论一定有些牢固的现实基础.
* That rumour has no foundation/is without foundation in fact. 那谣言没有事实根据.
5 [U] (also foundation cream) cream put on the face before other make-up is applied 粉底霜（化妆品）.

n

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1【building】
2【basic idea】
3【organization】
4【establishment】
5 be without foundation
6 lay/provide the foundation(s) for something
7【skin】
8 shake/rock the foundations of something

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【BUILDING】[C]
the solid layer of cement, bricks, stones etc that is put under a building to support it
　It took the builders three weeks to lay the foundations .
　The earthquake shook the foundations of the house.
【BASIC IDEA】[C]
a basic idea, principle, situation etc that something develops from
foundation of
　All theories should be built on a foundation of factual knowledge.
solid/firm foundation
　The course gives students a solid foundation in the basics of computing.
【ORGANIZATION】[C]
an organization that gives or collects money to be used for special purposes, especially for charity or for medical research
　the British Heart Foundation
【ESTABLISHMENT】[U]
the establishment of an organization, business, school etc
= founding
　The school has served the community since its foundation in 1835.
be without foundationalsohave no foundation
formal if a statement, idea etc is without foundation, there is no proof that it is true
= be groundless
　Davis dismissed the allegations as being without foundation.
lay/provide the foundation(s) for sth
to provide the conditions that will make it possible for something to be successful
　Careful planning laid the foundations for the nation's economic miracle.
【SKIN】[U]
a cream in the same colour as your skin that you put on before the rest of your make-up
shake/rock the foundations of sthalsoshake/rock sth to its foundations
to completely change the way something is done or the way people think by having a completely new idea
　Darwin's theory rocked the scientific establishment to its foundations.