projection


pro·jec·tion

noun \prə-ˈjek-shən\

: an estimate of what might happen in the future based on what is happening now

: something that sticks out from a surface

: the act or process of causing a picture, movie, etc., to appear on a surface

Full Definition of PROJECTION

1
a :  a systematic presentation of intersecting coordinate lines on a flat surface upon which features from a curved surface (as of the earth or the celestial sphere) may be mapped <an equal-area map projection>
b :  the process or technique of reproducing a spatial object upon a plane or curved surface or a line by projecting its points; also :  a graph or figure so formed
2
:  a transforming change
3
:  the act of throwing or thrusting forward
4
:  the forming of a plan :  scheming
5
a (1) :  a jutting out (2) :  a part that juts out
b :  a view of a building or architectural element
6
a :  the act of perceiving a mental object as spatially and sensibly objective; also :  something so perceived
b :  the attribution of one's own ideas, feelings, or attitudes to other people or to objects; especially :  the externalization of blame, guilt, or responsibility as a defense against anxiety
7
:  the display of motion pictures by projecting an image from them upon a screen
8
a :  the act of projecting especially to an audience
b :  control of the volume, clarity, and distinctness of a voice to gain greater audibility
9
:  an estimate of future possibilities based on a current trend
pro·jec·tion·al \-shnəl, -shə-nəl\ adjective

Examples of PROJECTION

  1. He gave a projection of future expenses.
  2. projections on the rock wall

First Known Use of PROJECTION

1557

Synonym Discussion of PROJECTION

projection, protrusion, protuberance, bulge mean an extension beyond the normal line or surface. projection implies a jutting out especially at a sharp angle <those projections along the wall are safety hazards>. protrusion suggests a thrusting out so that the extension seems a deformity <the bizarre protrusions of a coral reef>. protuberance implies a growing or swelling out in rounded form <a skin disease marked by warty protuberances>. bulge suggests an expansion caused by internal pressure <bulges in the tile floor>.

Other Cartography Terms

Robinson projection, benchmark, plat, topography

pro·jec·tion

noun \prə-ˈjek-shən\   (Medical Dictionary)

Medical Definition of PROJECTION

1
a : the process or technique of reproducing a spatial object or a section of such an object upon a plane or curved surface b : a diagram or figure formed by projection; especially : view
2
a : the act of referring a mental image constructed by the brain from bits of data collected by the sense organs to the actual source of stimulation outside the body b : the attribution of one's own ideas, feelings, or attitudes to other people or to objects; especially : the externalization of blame, guilt, or responsibility as a defense against anxiety
3
: the functional correspondence and connection of parts of the cerebral cortex with parts of the organism <the projection of the retina upon the visual area>

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