D defs.my
Entry 2 senses Webster, 1913

Discussion

/dĭs-kŭsh'-ən/ · Dis·cus·sion · IPA /dɪˈskʌʃ.ən/
01 n. The act or process of discussing by breaking up, or dispersing, as a tumor, or the like.
  1. 1.
    The act or process of discussing by breaking up, or dispersing, as a tumor, or the like.[archaic]
  2. 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.
Phrases & compounds
Discussion of a problem — the operation of assigning different reasonable values to the arbitrary quantities and interpreting the result.