English Wiktionary
Projection can be any of:
The display of an image by devices such as:
In chemistry , any one of:
Projection (mathematics) , any of several different types of functions, mappings, operations, or transformations
Power projection , the capacity of a state to implement policy by means of force, or the threat thereof, in an area distant from its own territory
Psychological projection , a defense mechanism in which one attributes to others, one’s own unacceptable or unwanted thoughts or emotions
a forecasting of future developments based on current statistics and trends
Enamel projections , extensions of dental enamel beyond the normally smooth cervical margin and onto the root of the tooth
Projection (Cylon ability) , the ability to perceive your environment in any form you choose, displayed by the humanoid Cylons in the television series Battlestar Galactica