Flat, or flatness, describes an object or condition that is very smooth or level.
In Great Britain, Ireland and Australia, as well as in English spoken in Commonwealth countries such as India, a "flat" means an apartment.
In New Zealand it can mean an apartment, especially when applied to public housing, but it more usually means a house of any type shared between unrelated adults, in a flatmate arrangement.
Flat or flats may also refer to:
Places
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Flat, Alaska, United States
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Flat, Kentucky
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Flat, Missouri, United States
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Flat, Puy-de-Dôme, a commune in région Auvergne, France
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Flat, Texas, United States
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Flat Brook, tributary of the Delaware River in Sussex County, New Jersey
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Flat Island, Hong Kong, People's Republic of China
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Flat River, a river in Southern Person County, North Carolina
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Flats, West Virginia, an unincorporated community in Hardy County, West Virginia, USA
Landforms
Arts
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Flat, a symbol () which denotes a lower pitch
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Flats, the first stage in the comic coloring process
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Flats, flat pieces of theatrical scenery
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Flats, English band
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Flat!, a 2010 Indian film
Footwear
Mathematics and geometry
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Flat, the generalization of lines and planes in an n-dimensional Euclidean space
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Flat, a further generalization of flats from linear algebra to the context of matroids
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For use of flat sign in mathematics, see musical isomorphism - mapping vectors to covectors
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Flat morphism in algebraic geometry
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Flat module in abstract algebra
Transportation
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Flat, a deflated pneumatic tire
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Flat car, an open container on wheels designed to carry heavy loads
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Flat spot, a fault in the shape of a railroad wheel
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Flat wagon, a railway goods wagon with a flat deck for transporting e.g. vehicles
Other uses
See also