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nounan upper limit on what is allowedtype of:
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nounmaximum altitude at which a plane can fly (under specified conditions)
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noun(meteorology) altitude of the lowest layer of clouds
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nounthe overhead upper surface of a covered spacetype of:
Definition that contains ceiling
- room an area within a building enclosed by walls and floor and ceiling
- vault an arched brick or stone ceiling or roof
- strap hanger consisting of a loop of leather suspended from the ceiling of a bus or train; passengers hold onto it
- rib a projecting molding on the underside of a vault or ceiling; may be ornamental or structural
- plaster a surface of hardened plaster (as on a wall or ceiling)
- plaster a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
- chandelier branched lighting fixture; often ornate; hangs from the ceiling
- pendant branched lighting fixture; often ornate; hangs from the ceiling
- planetarium a building housing an instrument for projecting the positions of the planets onto a domed ceiling
- oubliette a dungeon with the only entrance or exit being a trap door in the ceiling