say it: di-lin-ee-AY-shuhn
delineation is a noun meaning "a graphic or vivid verbal description". It carries 3 recorded senses.
a graphic or vivid verbal description
“too often the narrative was interrupted by long word pictures”
“the author gives a depressing picture of life in Poland”
“the pamphlet contained brief characterizations of famous Vermonters”
a drawing of the outlines of forms or objects
representation by drawing or painting etc
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 delineation 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.