Englishfor English speakers
skim
Verb
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If you skim something, you move quickly and lightly near the surface.
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If you skim something, you remove a substance from the surface of a liquid.
You must skim off the foam from the surface of the soup for it to be clear.
ceiling
Noun
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The top part of a room.
This room has a very interesting ceiling.
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The upper limit of an object or action.
price ceilings
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The highest altitude that an aircraft may fly.
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The smallest integer greater than or equal to a given number.
The ceiling of 4.5 is 5.