double flat

Look up flat in Wiktionary, the free dictionary.

Flat, or flatness, describes an object or condition that is very smooth or level.

Flat or flats may also refer to:

Places

• Flat, a residential apartment
• Flat, Alaska, United States
• Flat, Missouri, United States
• Flat, Puy-de-Dôme, a commune in région Auvergne, France
• Flat, Texas, United States
• Flat Brook, tributary of the Delaware River in Sussex County, New Jersey
• Flat Island, Hong Kong, People's Republic of China
• Flat River (North Carolina), a river in Southern Person County, North Carolina
• Flats, West Virginia, an unincorporated community in Hardy County, West Virginia, USA
• "The Flat", local name for South Dunedin, New Zealand
• The Flats, Cleveland, Ohio, United States

Arts

• Flat (music), a symbol (♭) which denotes a lower pitch
• Flats (theatre), flat pieces of theatrical scenery

Footwear

• Flats, low-heeled women's shoes
• Racing flats, lightweight shoes used primarily for running a race

Mathematics and geometry

• Flat (geometry), the generalization of lines and planes in an n-dimensional Euclidean space
• Flat (matroids), a further generalization of flats from linear algebra to the context of matroids
• Flat morphism in algebraic geometry

Transportation

• Flat, a deflated pneumatic tire
• Flat car, an open container on wheels designed to carry heavy loads
• Flat spot, a fault in the shape of a railroad wheel

Other uses

• Flat, a two-dimensional toy soldier made of tin or plastic
• Flat, a leading type of wordplay predating the invention of crosswords, as identified by the National Puzzlers' League
• Flats or flat butterflies, certain skipper butterfly genera in subfamily Pyrginae:
  • Celaenorrhinus of tribe Celaenorrhini;
  • Calleagris (scarce flats),
  • Eagris, and
  • Tagiades (water flats, snow flats) of tribe Tagiadini
• Flats (USPS), an oversized letter
• Optical flat, an extremely flat piece of glass

See also

• Flattening
• Mudflat
• Planar
• All pages beginning with "Flat"

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