Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
tintinnabulation is a noun meaning "the sound of a bell ringing". It carries one recorded sense.
the sound of a bell ringing
“the distinctive ring of the church bell”
“the ringing of the telephone”
“the tintinnabulation that so voluminously swells from the ringing and the dinging of the bells”
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 tintinnabulation come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.