Flat
Appearance
(Redirected from Flatness (mathematics))
Look up flat in Wiktionary, the free dictionary.
Flat or flats may refer to:
Architecture
[edit]- Apartment, known as a flat in the United Kingdom, Ireland, and other Commonwealth countries
Arts and entertainment
[edit]- Flat (music), a symbol (♭) which denotes a lower pitch
- Flat (soldier), a two-dimensional toy soldier made of tin or plastic
- Flat (theatre), a flat piece of theatrical scenery
- Flat, a leading type of wordplay, as identified by the National Puzzlers' League
- Flat! (2010), an Indian film
- Flats (band), an English band
- Flats (comics), the first stage in the comic coloring process
Footwear
[edit]- Flats, footwear which is not high-heeled
- Ballet flats, derived from ballet shoes, for casual wear as well as dancing
- Ballet shoes (also known as ballet slippers), often referred to as "flats" or "flat shoes"
- Racing flats, lightweight shoes used primarily for running a race
Geography
[edit]Landforms
[edit]- Flat (landform), a relatively level area within a region of greater relief
- Mudflat, intertidal wetland with a substrate of fine sediments
Bodies of water
[edit]- Flat, a shallow water area in the context of boating, fishing or marine biology, often used in plural form
- Brewster Flats, an area of Cape Cod Bay off the shore of Massachusetts, U.S.
- Kentish Flats Offshore Wind Farm, off the coast of Kent, England
- Rhyl Flats, a wind farm off the coast of North Wales
- Flat coast, a shoreline where the land descends gradually into the sea
Places
[edit]United States
[edit]- Flat, Alaska, a census-designated place
- Flat, Kentucky, an unincorporated community
- Flat, Missouri, an unincorporated community
- Flat, Texas, an unincorporated community
- Flat Brook, a tributary of the Delaware River in Sussex County, New Jersey
- Flats, Nebraska, United States
- Flats, West Virginia, an unincorporated community
- Forest Lake Area Trail System, Missouri
Other
[edit]- Flat, Puy-de-Dôme, a commune in the French region of Auvergne
- Flat Island (disambiguation), in various places
- Flat Islands (disambiguation), in Canada and Antarctica
- Flat River (disambiguation), in the United States and Canada
Mathematics and geometry
[edit]- 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 module in ring theory
- Flat morphism in algebraic geometry
- Flat space, a space with zero curvature
- Flat sign, for its use in mathematics; see musical isomorphism, mapping vectors to covectors
People
[edit]Nickname
[edit]- Earl "Flat" Chase (1910–1954), Canadian baseball player
- Flat Walsh (1897–1959), Canadian ice hockey goaltender
Fictional characters
[edit]- Flat Eric, a character in some Levi's commercials
- Flat Stanley, namesake of an American children's book series
Groups
[edit]- FLATS or First Lady Astronaut Trainees, American women who underwent NASA Project Mercury physiological screening tests
Other uses
[edit]- Flat (gridiron football), the area of the gridiron football field
- Flat butterflies or flats, certain skipper butterfly genera in subfamily Pyrginae:
- Calleagris (scarce flats),
- Celaenorrhinus of tribe Celaenorrhinini;
- Eagris, and
- Tagiades (water flats, snow flats), of tribe Tagiadini
- Flats (USPS), an oversized letter
- Optical flat, an extremely flat piece of glass