Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
tympanites is a noun meaning "distension of the abdomen that is caused by the accumulation of gas in the intestines or the peritoneal cavity". It carries one recorded sense.
distension of the abdomen that is caused by the accumulation of gas in the intestines or the peritoneal cavity
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 tympanites come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.