Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
characterisation is a noun meaning "a graphic or vivid verbal description". It carries 2 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”
the act of describing distinctive characteristics or essential features
“the media's characterization of Al Gore as a nerd”
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 characterisation come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.