projection Meaning, Definition & Usage

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

L. projectio: cf. F. projection.

The act of throwing or shooting forward.
A jutting out; also, a part jutting out, as of a building; an extension beyond something else.
The act of scheming or planning; also, that which is planned; contrivance; design; plan. Davenant.
(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.
(Geog.) Any method of representing the surface of the earth upon a plane. Syn. -- See Protuberance. projectionist. one who operates a projector[2]; esp. one who is employed to operate a movie projector in a movie theater