# Projection

#### Pronunciation

**IPA:***/pÉ¹É™ËˆdÊ’É›kÊƒÉ™n/*- Rhymes: -É›kÊƒÉ™n

#### Origin

From either the *Middle French* __projection__ or its etymon, the Classical *Latin* __prÅiectiÅ__ (stem: __prÅiectiÅn-__), from __prÅiciÅ__. Compare the Modern *French* __projection__, the *German* __Projektion__, and the *Italian* __proiezione__.

## Full definition of projection

#### Noun

#### projection

(*plural*)

**projections**- Something which projects, protrudes, juts out, sticks out, or stands out.
*The face of the cliff had many***projections**which are big enough for birds to nest on. - The action of projecting or throwing or propelling something.
- The display of an image by devices such as movie projector, video projector, overhead projector or slide projector.
- A forecast or prognosis obtained by extrapolation
- (
*psychology*) A belief or assumption that others have similar thoughts and experiences as oneself - (
*photography*) The image that a translucent object casts onto another object. - (
*cartography*) 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. - (
*geometry*) An image of an object on a surface of fewer dimensions. - (
*linear algebra*) An idempotent linear transformation which maps vectors from a vector space onto a subspace. - (
*mathematics*) A transformation which extracts a fragment of a mathematical object. - (
*category theory*) A morphism from a categorical product to one of its (two) components.

#### Synonyms

- (
*something which sticks out*) protuberance