Englishfor English speakers
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.
panel
Noun
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A panel is a flat piece of wood or other material, used as part of a wall or on the side of something.
The house has aluminium panels covering the outside.
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A panel is a group of people who come together at a table to talk or to judge, usually in front of many other people.
The panel made a decision that Paul had won the dance contest.
I went to listen to a panel talking about global warming.
panel
Verb
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To put panels on something.