trichinosis Syllabification: (trich·i·no·sis)Pronunciation: /ˌtrikəˈnōsis/Definition of trichinosis noun a disease caused by trichinae, typically from infected meat, especially pork, characterized by digestive disturbance, fever, and muscular rigidity. This disease is typically caused by Trichinella spiralis trichinosis in other Oxford dictionaries Definition of trichinosis in the British & World English dictionary