simple past tense and past participle of astral-project

(linear algebra) A transformation matrix whose associated transformation is a projection.

plural of projection matrix

(projective geometry, complex analysis, cartography) A function that maps a sphere onto a plane; especially, the map generated by projecting each point of the sphere from the sphere's (designated) north pole to a point on the plane tangent to the south pole.

plural of stereographic projection

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.

(electronics, computer graphics) A system for displaying or projecting an image composed of a beam of light or electrons directly tracing the image, as opposed to sweeping in raster order over the entire display surface.

Synonym of calligraphic projection