1 [count] : an estimate of what might happen in the future based on what is happening now
▪ He gave a projection of future expenses. 2 [count] : something that sticks out from a surface
▪ projections on the rock wall 3 [noncount] : the act or process of causing a picture, movie, etc., to appear on a surface
▪ movie projection ▪ projection equipment 4 [count] technical : a type of map or drawing which shows all the parts of something that is curved or solid (such as the earth) on a flat surface
▪ a projection map 5 [noncount] : the act of speaking, singing, or producing sounds in a way that can be heard over a great distance
▪ You need to work on voice/vocal projection. ▪ sound projection 6 [noncount] psychology : the act of imagining that someone else has the same ideas, feelings, etc., that you have
▪ An example of projection is when someone thinks that everyone hates them because they hate themselves. 7 [count] : something that is imagined or created from your ideas, thoughts, feelings, etc. — often + of ▪ The image that we have of strangers is often just a projection of our own fears and desires.