Dis·cus·sion n.
 1. The act or process of discussing by breaking up, or dispersing, as a tumor, or the like. [archaic]
 2. The act of discussing or exchanging reasons; examination by argument; debate; disputation; agitation.
    The liberty of discussion is the great safeguard of all other liberties.   --Macaulay.
 Discussion of a problem or Discussion of an equation Math., the operation of assigning different reasonable values to the arbitrary quantities and interpreting the result.
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