Noun

(en noun)

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 [[propel, 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.

Noun

(possibilities)

The quality of being possible.

A thing possible; that which may take place or come into being.

* {{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)

, title= The attack of the MOOCs , passage=Since the launch early last year of […] two Silicon Valley start-ups offering free education through MOOCs, massive open online courses, the ivory towers of academia have been shaken to their foundations. University brands built in some cases over centuries have been forced to contemplate the possibility that information technology will rapidly make their existing business model obsolete.}}

An option or choice, usually used in context with future events.