From Wikipedia, the free encyclopedia

Projection, projections or projective may refer to:


  • Projection (physics), the action/process of light, heat, or sound reflecting from a surface to another in a different direction
  • The display of images by a projector

Optics, graphics, and cartography[edit]

  • Map projection, reducing the surface of a three-dimensional planet to a flat map
  • Graphical projection, the production of a two-dimensional image of a three-dimensional object


  • Fischer projection, a two-dimensional representation of a three-dimensional organic molecule
  • Haworth projection, a way of writing a structural formula to represent the cyclic structure of monosaccharides
  • Natta projection, a way to depict molecules with complete stereochemistry in two dimensions in a skeletal formula
  • Newman projection, a visual representation of a chemical bond from front to back



  • Projection areas, areas of the brain where sensory processing occurs
  • Projection fiber, in neuroscience, white matter fibers that connect the cortex to the lower parts of the brain or the spinal cord


Arts and entertainment[edit]

Other uses[edit]

See also[edit]