From Longman Dictionary of Contemporary Englishhalitosishal‧i‧to‧sis /ˌhælɪˈtəʊsɪs $ -ˈtoʊ-/ noun [uncountable] technical MIa condition in which someone’s breath smells very bad SYN bad breath
Examples from the Corpus
halitosis• Bad luck is as lethal for a politician as halitosis.• Its rough surface traps the microflora responsible for halitosis and tooth decay.• Body odour Like halitosis, body odour can be extremely unpleasant and embarrassing.• Remember mouthwashes only mask the underlying cause of halitosis.• If the problem of halitosis persists, a visit to the doctor is necessary to determine the cause.Origin halitosis (1800-1900) Modern Latin Latin halitus “breath” 