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48 definitions found

From The Free On-line Dictionary of Computing (27 SEP 03) : [ foldoc ]


  projection
       
           In domain theory, a function, f, which is (a)
          idempotent, i.e.  f(f(x))=f(x) and (b) whose result is no
          more defined than its argument.  E.g. F(x)=bottom or F(x)=x.
       
          In reduction systems, a function which returns some
          component of its argument.  E.g. head, tail, \ (x,y) . x.
          In a graph reduction system the function can just return a
          pointer to part of its argument and does not need to build any
          new graph.
       
          (1997-01-29)

From The Collaborative International Dictionary of English v.0.44 : [ gcide ]


  Projection \Pro*jec"tion\, n. [L. projectio: cf. F. projection.]
     [1913 Webster]
     1. The act of throwing or shooting forward.
        [1913 Webster]
  
     2. A jutting out; also, a part jutting out, as of a building;
        an extension beyond something else.
        [1913 Webster]
  
     3. The act of scheming or planning; also, that which is
        planned; contrivance; design; plan. --Davenant.
        [1913 Webster]
  
     4. (Persp.) The representation of something; delineation;
        plan; especially, the representation of any object on a
        perspective plane, or such a delineation as would result
        were the chief points of the object thrown forward upon
        the plane, each in the direction of a line drawn through
        it from a given point of sight, or central point; as, the
        projection of a sphere. The several kinds of projection
        differ according to the assumed point of sight and plane
        of projection in each.
        [1913 Webster]
  
     5. (Geog.) Any method of representing the surface of the
        earth upon a plane.
        [1913 Webster]
  
     Conical projection, a mode of representing the sphere, the
        spherical surface being projected upon the surface of a
        cone tangent to the sphere, the point of sight being at
        the center of the sphere.
  
     Cylindric projection, a mode of representing the sphere,
        the spherical surface being projected upon the surface of
        a cylinder touching the sphere, the point of sight being
        at the center of the sphere.
  
     Globular, Gnomonic, Orthographic, projection,etc. See
        under Globular, Gnomonic, etc.
  
     Mercator's projection, a mode of representing the sphere in
        which the meridians are drawn parallel to each other, and
        the parallels of latitude are straight lines whose
        distance from each other increases with their distance
        from the equator, so that at all places the degrees of
        latitude and longitude have to each other the same ratio
        as on the sphere itself.
  
     Oblique projection, a projection made by parallel lines
        drawn from every point of a figure and meeting the plane
        of projection obliquely.
  
     Polar projection, a projection of the sphere in which the
        point of sight is at the center, and the plane of
        projection passes through one of the polar circles.
  
     Powder of projection (Alchemy.), a certain powder cast into
        a crucible or other vessel containing prepared metal or
        other matter which is to be thereby transmuted into gold.
        
  
     Projection of a point on a plane (Descriptive Geom.), the
        foot of a perpendicular to the plane drawn through the
        point.
  
     Projection of a straight line of a plane, the straight line
        of the plane connecting the feet of the perpendiculars let
        fall from the extremities of the given line.
        [1913 Webster]
  
     Syn: See Protuberance.
          [1913 Webster]
          [1913 Webster]

From Webster's Revised Unabridged Dictionary (1913) : [ web1913 ]


  Orthographic \Or`tho*graph"ic\, Orthographical
  \Or`tho*graph"ic*al\, a. [Cf. F. orthographique, L.
     orthographus, Gr. ?.]
     1. Of or pertaining to orthography, or right spelling; also,
        correct in spelling; as, orthographical rules; the letter
        was orthographic.
  
     2. (Geom.) Of or pertaining to right lines or angles.
  
     Orthographic or Orthogonal, projection, that projection
        which is made by drawing lines, from every point to be
        projected, perpendicular to the plane of projection. Such
        a projection of the sphere represents its circles as seen
        in perspective by an eye supposed to be placed at an
        infinite distance, the plane of projection passing through
        the center of the sphere perpendicularly to the line of
        sight.

From Webster's Revised Unabridged Dictionary (1913) : [ web1913 ]


  Projection \Pro*jec"tion\, n. [L. projectio: cf. F. projection.]
     1. The act of throwing or shooting forward.
  
     2. A jutting out; also, a part jutting out, as of a building;
        an extension beyond something else.
  
     3. The act of scheming or planning; also, that which is
        planned; contrivance; design; plan. --Davenant.
  
     4. (Persp.) The representation of something; delineation;
        plan; especially, the representation of any object on a
        perspective plane, or such a delineation as would result
        were the chief points of the object thrown forward upon
        the plane, each in the direction of a line drawn through
        it from a given point of sight, or central point; as, the
        projection of a sphere. The several kinds of projection
        differ according to the assumed point of sight and plane
        of projection in each.
  
     5. (Geog.) Any method of representing the surface of the
        earth upon a plane.
  
     Conical projection, a mode of representing the sphere, the
        spherical surface being projected upon the surface of a
        cone tangent to the sphere, the point of sight being at
        the center of the sphere.
  
     Cylindric projection, a mode of representing the sphere,
        the spherical surface being projected upon the surface of
        a cylinder touching the sphere, the point of sight being
        at the center of the sphere.
  
     Globular, Gnomonic, Orthographic, projection,etc. See
        under Globular, Gnomonic, etc.
  
     Mercator's projection, a mode of representing the sphere in
        which the meridians are drawn parallel to each other, and
        the parallels of latitude are straight lines whose
        distance from each other increases with their distance
        from the equator, so that at all places the degrees of
        latitude and longitude have to each other the same ratio
        as on the sphere itself.
  
     Oblique projection, a projection made by parallel lines
        drawn from every point of a figure and meeting the plane
        of projection obliquely.
  
     Polar projection, a projection of the sphere in which the
        point of sight is at the center, and the plane of
        projection passes through one of the polar circles.
  
     Powder of projection (Alchemy.), a certain powder cast into
        a crucible or other vessel containing prepared metal or
        other matter which is to be thereby transmuted into gold.
        
  
     Projection of a point on a plane (Descriptive Geom.), the
        foot of a perpendicular to the plane drawn through the
        point.
  
     Projection of a straight line of a plane, the straight line
        of the plane connecting the feet of the perpendiculars let
        fall from the extremities of the given line.
  
     Syn: See Protuberance.

From WordNet (r) 2.0 : [ wn ]


  projection
       n 1: a prediction made by extrapolating from past observations
       2: the projection of an image from a film onto a screen
       3: a planned undertaking [syn: project]
       4: any structure that branches out from a central support
       5: any solid convex shape that juts out from something
       6: (psychiatry) a defense mechanism by which your own traits
          and emotions are attributed to someone else
       7: the acoustic phenomenon that gives sound a penetrating
          quality; "our ukuleles have been designed to have superior
          sound and projection"; "a prime ingredient of public
          speaking is projection of the voice" [syn: acoustic
          projection, sound projection]
       8: the representation of a figure or solid on a plane as it
          would look from a particular direction
       9: the act of projecting out from something [syn: protrusion,
           jut, jutting]
       10: the act of expelling or projecting or ejecting [syn: expulsion,
            ejection, forcing out]

From Greek Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-el-ALL-2023-07-27 ]


  projection
     Γαλλικά n.
     η προβολή, η εκτόξευση

From English Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-en-ALL-2023-07-27 ]


  projection
     Interlingua n.
     (l en projection)
     n.
     1 Something which projects, protrudes, juts out, sticks out, or
  stands out.
     2 The action of project or throw or propel something.
     3 # (lb en archaic) The throwing of materials into a crucible, hence
  the transmutation of metals.
     4 (lb en archaic) The crisis or decisive point of any process,
  especially a culinary process.
     5 The display of an image by devices such as movie projector, video
  projector, overhead projector or slide projector.
     6 A forecast or prognosis obtained by extrapolation
     7 (lb en psychology) A belief or assumption that others have similar
  thoughts and experiences to one's own. This includes making accusations
  that would more fittingly apply to the accuser.<!-- this is not
  slang, certainly not internet slang. The term has been used (a) by
  serious scholars (b) since before the internet existed, i.e. since 1937
  and probably long before then. -->

From English Wiktionary: English language only (2023-07-27) : [ dictinfo.com:wikt-en-en-2023-07-27 ]


  projection
     n.
     1 Something which projects, protrudes, juts out, sticks out, or
  stands out.
     2 The action of project or throw or propel something.
     3 # (lb en archaic) The throwing of materials into a crucible, hence
  the transmutation of metals.
     4 (lb en archaic) The crisis or decisive point of any process,
  especially a culinary process.
     5 The display of an image by devices such as movie projector, video
  projector, overhead projector or slide projector.
     6 A forecast or prognosis obtained by extrapolation
     7 (lb en psychology) A belief or assumption that others have similar
  thoughts and experiences to one's own. This includes making accusations
  that would more fittingly apply to the accuser.<!-- this is not
  slang, certainly not internet slang. The term has been used (a) by
  serious scholars (b) since before the internet existed, i.e. since 1937
  and probably long before then. -->

From English Wiktionary: Western, Greek, and Slavonic languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western_Greek_Slavonic-2023-07-27 ]


  projection
     n.
     1 Something which projects, protrudes, juts out, sticks out, or
  stands out.
     2 The action of project or throw or propel something.
     3 # (lb en archaic) The throwing of materials into a crucible, hence
  the transmutation of metals.
     4 (lb en archaic) The crisis or decisive point of any process,
  especially a culinary process.
     5 The display of an image by devices such as movie projector, video
  projector, overhead projector or slide projector.
     6 A forecast or prognosis obtained by extrapolation
     7 (lb en psychology) A belief or assumption that others have similar
  thoughts and experiences to one's own. This includes making accusations
  that would more fittingly apply to the accuser.<!-- this is not
  slang, certainly not internet slang. The term has been used (a) by
  serious scholars (b) since before the internet existed, i.e. since 1937
  and probably long before then. -->

From English Wiktionary: Western languages only (2023-07-27) : [ dictinfo.com:wikt-en-Western-2023-07-27 ]


  projection
     Interlingua n.
     (l en projection)
     n.
     1 Something which projects, protrudes, juts out, sticks out, or
  stands out.
     2 The action of project or throw or propel something.
     3 # (lb en archaic) The throwing of materials into a crucible, hence
  the transmutation of metals.
     4 (lb en archaic) The crisis or decisive point of any process,
  especially a culinary process.
     5 The display of an image by devices such as movie projector, video
  projector, overhead projector or slide projector.
     6 A forecast or prognosis obtained by extrapolation
     7 (lb en psychology) A belief or assumption that others have similar
  thoughts and experiences to one's own. This includes making accusations
  that would more fittingly apply to the accuser.<!-- this is not
  slang, certainly not internet slang. The term has been used (a) by
  serious scholars (b) since before the internet existed, i.e. since 1937
  and probably long before then. -->

From Finnish Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-fi-ALL-2023-07-27 ]


  projection
     Ranska n.
     1 projektio
     2 suuntaus, projektointi
     3 esitys, heijastus (elokuvan valkokankaalle)
     4 suuntaus, kohdistus (voimavarojen, toimien johonkin kohteeseen)

From Swedish Wiktionary: All languages (2023-07-27) : [ dictinfo.com:wikt-sv-ALL-2023-07-27 ]


  projection
     Engelska n.
     1 projektering
     2 (tagg psykologi språk=en) projektion
     3 (tagg matematik språk=en) projektion

From English-Arabic FreeDict Dictionary ver. 0.6.3 : [ freedict:eng-ara ]


  Projection /pɹədʒˈɛkʃən/
  التقدير

From English-български език FreeDict+WikDict dictionary ver. 2023.05.29 : [ freedict:eng-bul ]


  projection //pɹəˈd͡ʒɛkʃən// 
  1. хвърляне, мятане
  action of projecting, throwing or propelling something
  2. прожекция
  display of an image by a projector
  3. проекция 2.
  geometry: image of an object on a surface of fewer dimensions
   3.
  cartography: system of representing surface of the earth on a flat surface
   4.
  mathematics: transformation extracting a fragment of an object
   5.
  psychology: belief that others have similar thoughts and experiences as oneself
  4. издатина, изпъкналост
  something which projects

From English-Czech dicts.info/FreeDict Dictionary ver. 0.1.3 : [ freedict:eng-ces ]


  projection /pɹədʒˈɛkʃən/
  projekce

From English-Czech dicts.info/FreeDict Dictionary ver. 0.1.3 : [ freedict:eng-ces ]


  projection /pɹədʒˈɛkʃən/
  promítání

From English-Czech dicts.info/FreeDict Dictionary ver. 0.1.3 : [ freedict:eng-ces ]


  projection /pɹədʒˈɛkʃən/ 
  promítnutí