Fold, folding or foldable may refer to:

Arts, entertainment, and media

  • Fold (album), the debut release by Australian rock band Epicure
  • Fold (poker), in the game of poker, to discard one's hand and forfeit interest in the current pot
  • "Folded" (song), by Kehlani
  • "Fold", a song by Trust Company from True Parallels (2005)
  • Above the fold and below the fold, the positioning of news items on a newspaper's front page according to perceived importance
  • Paper folding, or origami, the art of folding paper

Science, technology, and mathematics

Biology

  • Protein folding, the physical process by which a polypeptide folds into its characteristic and functional three-dimensional structure
  • Folding@home, a powerful distributed-computing project for simulating protein folding
  • Fold coverage, quality of a DNA sequence
  • Skin fold, an area of skin that folds

Computing

  • Code folding, a techique used by full screen and GUI editors
  • Fold (higher-order function), a type of programming operation on data structures
  • fold (Unix), a computer program used to wrap lines to fit in a specified width
  • Folding (DSP implementation), a transformation technique using in DSP architecture implementation
  • Folding (signal processing), an aspect of aliasing
  • Folding editor, a text editor that supports text folding or code folding, allowing the user to hide and reveal blocks of text
  • Case folding is the conversion of letter case in a string
  • Constant folding, a compiler optimization technique
  • Folding@home, a powerful distributed-computing project for simulating protein folding

Electronics

  • Foldable display
  • Flexible display

Other uses in science and mathematics

  • Fold (geology), one or a stack of originally flat and planar surfaces that are bent or curved as a result of plastic deformation
  • Folding (chemistry), the process by which a molecule assumes its shape or conformation
  • Folding (Dynkin diagram), in Lie theory, a way of obtaining one Dynkin diagram from another
  • Fold change, a measure of the difference between two quantities
  • e-folding, exponential growth or decay
  • Polygon folding, or polyhedron folding
  • HD 109246 b or Fold, an exoplanet

Other uses

  • Amicus Therapeutics, NASDAQ stock trading symbol FOLD
  • Book folding, in book production
  • Foldable smartphone, a smartphone with a folding form factor
  • Folding bicycle, a bicycle designed to fold into a compact form
  • Folding bridge, a bridge that can be folded, mainly to open for higher boats
  • Folding clothes, allows apparel to be stored compactly, prevents unwanted creasing, preserves wanted creases, and presents them in a pleasing manner, for instance when displayed on sale in stores
  • Pen (enclosure), or sheep fold, a sheep pen in British English
  • -fold, a feature in British toponymy
  • Samsung Galaxy Fold, a smartphone
  • Scottish Fold, a cat breed

See also

  • Bend (disambiguation)
  • Crease (disambiguation)
  • Folder (disambiguation)