trigonometrician|trɪgənɒmɪˈtrɪʃən| [f. trigonometric: see -ician.] = trigonometer2. So trigoˈnometrist. 1884Manch.Exam. 4 Oct. 5/4 The base-line of the trigonometrist admits of fresh refinements in precision.1900Athenæum 18 Aug. 223/3 The autobiographer became a trigonometrician, and astronomer at large.