Englishfor English speakers
concrete
Noun
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Concrete is a type of mix that, when dried, hardens, often for sidewalks.
Did you know that the sidewalk was made out of concrete?
The project involved materials such as specialized mineral-rich soils, sands, and concretes specifically designed for this purpose.
The ground is made of concrete and asphalt.
concrete
Adjective
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A synonym for strong.
There is no concrete evidence to say that Bill really does like salad.
block
Noun
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A block is a hard piece of material, usually with six smooth sides.
When I was young, I liked building things with wooden blocks.
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A city block is the distance from one road to the next.
We have to walk about three blocks to the restaurant.
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In computers, a block is a restriction that prevents access to something.
I could not start a page on Wikipedia because of a block.
block
Verb
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If mathX/math is blocking mathY/math, then mathY/math can't go past mathX/math.
The water in the bath won't go down. There's something blocking the drain.
The road was blocked by police.
Excuse me! You're blocking my view. I can't see.
foundation
Noun
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The foundation of something is the basic ideas or work behind it.
These early inventions laid the foundations of modern radio technology.
Her education gave her a solid foundation in all the major subjects.
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The foundation of a building is the solid base that is under it and that supports it.
They dug solid foundations, spending a lot of time pouring concrete into four pits.
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A foundation is an organisation that collects money to do good things.
The Open Software Foundation has opened up laboratories to test software.
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The foundation of a group, business, country, etc. is the act of starting it.
The company has double in size every year since its foundation.
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Foundation is the first layer of cream or makeup.
Dot the foundation over the face-on the nose, the cheeks, the chin and spread working from the face outwards.