projection Definition

1. The representation of three-dimensional objects in two dimensions, as by orthogonal projection. 2. The act or process of projecting. 3. The viewing of pictures or slides on a screen. 4. A mental process by which one imposes his or her thoughts, desires, or emotions on another person or thing. 5. An estimate, as of a trend or the size of population, based on certain factors believed to be relevant. 6. A physical or mental tendency to see one's own characteristics in someone else.