Dis-cŭs'sion, n.

(-kŭsh'un), n. [Lat. discussio, Fr. & Pr. discussion, Sp. discusion, It. discussione. See supra.]

1. The act or process of discussing, breaking up, or dispersing, as a tumor, or the like.
2. The act of discussing or reasoning; examination by argument; debate; disputation.

The liberty of discussion is the great safeguard of all other liberties. Macaulay. Discussion of a problem or an equation (Math.), the operation of assigning different reasonable values to the arbitrary quantities and interpreting the result. Math. Dict.