say it: di-SKUHSH-uhn
discussion is a noun meaning "an extended communication (often interactive) dealing with some particular topic". It carries 2 recorded senses.
an extended communication (often interactive) dealing with some particular topic
“the book contains an excellent discussion of modal logic”
“his treatment of the race question is badly biased”
an exchange of views on some topic
“we had a good discussion”
“we had a word or two about it”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for discussion come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.