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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]

  • Projection (alchemy), process in Alchemy
  • Projections (journal), an interdisciplinary academic journal related to cinema and visual media
  • Power projection, the capacity of a state to implement policy by means of force, or the threat thereof
  • Psychological projection, or "Freudian projection", a defense mechanism in which one attributes to others one's own unacceptable or unwanted attributes, thoughts, or emotions
  • Social projection, a cognitive bias that leads people to believe others are similar to themselves
  • Forecasting, making predictions of the future based on past and present data

See also[edit]