noun
plural -tions
[count] :an estimate of what might happen in the future based on what is happening now
[count] :something that sticks out from a surface
[noncount] :the act or process of causing a picture, movie, etc., to appear on a surface
[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
[noncount] :the act of speaking, singing, or producing sounds in a way that can be heard over a great distance
[noncount] psychology :the act of imagining that someone else has the same ideas, feelings, etc., that you have
[count] :something that is imagined or created from your ideas, thoughts, feelings, etc. - often + of