English Explanatory Dictionary

projection

English dictionary entry

Meanings

noun
  1. Something which projects, protrudes, juts out, sticks out, or stands out.
  2. The action of projecting or throwing or propelling something.
  3. The crisis or decisive point of any process, especially a culinary process.
  4. The display of an image by devices such as movie projector, video projector, overhead projector or slide projector.
  5. A forecast or prognosis obtained by extrapolation.
  6. A belief or assumption that others have similar thoughts and experiences to one's own, including making accusations that would more fittingly apply to the accuser.
  7. The image that a translucent object casts onto another object.
  8. Any of several systems of intersecting lines that allow the curved surface of the earth to be represented on a flat surface. The set of mathematics used to calculate coordinate positions.
  9. An image of an object on a surface of fewer dimensions.
  10. An idempotent linear transformation which maps vectors from a vector space onto a subspace.
  11. A transformation which extracts a fragment of a mathematical object.
  12. A morphism from a categorical product to one of its (two) components.

Pronunciation

/pɹəˈd͡ʒɛkʃən/ LL-Q1860 (eng)-Vealhurl-projection.wav

Word forms

projection projections

Etymology

From either the Middle French projection or its etymon, the Classical Latin prōiectiō (stem: prōiectiōn-), from prōiciō, equivalent to project + -ion. Compare the Modern French projection, the German Projektion, and the Italian proiezione.

Synonyms

protuberance

Related words

project projectable projective projectment projectome projector projecture

Derived words

first angle projection front projection point-projection perspective power projection projectional → projectionally projectionism projectionist projectionless Robinson projection spiny projection neuron third angle projection time projection chamber astroprojection autoprojection backprojection deprojection eigenprojection holoprojection microprojection misprojection nonprojection overprojection reprojection retroprojection Aitoff projection Albers projection Babinet projection Bonne projection Bottomley projection Eckert projection Fischer projection Gall-Peters projection Hammer projection Haworth projection Lissajous projection Littrow projection Mercator projection Mollweide projection van der Grinten projection Werner projection 3D projection astral projection axonometric projection back projection calligraphic projection cordiform projection dimetric projection first-angle projection gnomonic projection graphical projection isometric projection map projection oblique projection orthographic projection parallel projection perspective projection projection matrix projection microscope rear projection stereographic projection
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