(film) A cinematic technique in which live action is filmed in front of a screen on which the background action or a background scene is projected. / tomographic reconstruction

A proof of concept; an initial prototype.

Used other than figuratively or idiomatically: see project, management.

An engineer who designs and coordinates engineering aspects of a construction project

plural of back projection

to carry out project management.

One who manages projects.

Synonym of back projection

(uncountable, parapsychology) The ability to deliberately detach one's mind, or a ghost-like replica of one's body (one's astral body), from one's physical body and to send it to distant places or into alternate realities or into people's dreams.

A kind of three-dimensional projection used to represent the cyclic structure of monosaccharides.