Englishfor English speakers
ceiling
Noun
—
The top part of a room.
This room has a very interesting ceiling.
—
The upper limit of an object or action.
price ceilings
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The highest altitude that an aircraft may fly.
—
The smallest integer greater than or equal to a given number.
The ceiling of 4.5 is 5.
mounting
—
noun
framework used for support or display
—
noun
(= climb)
an event that involves rising to a higher point (as in altitude or temperature or intensity etc.)