trigonometry
nounNAmE//ˌtrɪɡəˈnɑmətri//
(informal trig NAmE//trɪɡ//
) [uncountable]NAmE//ˌtrɪɡənəˈmɛtrɪk//
(also trigonometrical NAmE//ˌtrɪɡənəˈmɛtrɪkl//
) adjectiveSee trigonometry in the Oxford Advanced Learner's DictionaryCheck pronunciation: trigonometry