[f. TRIGONOMETRIC: see -ICIAN.] = TRIGONOMETER2. So Trigonometrist.

1

1884.  Manch. Exam., 4 Oct., 5/4. The base-line of the trigonometrist admits of fresh refinements in precision.

2

1900.  Athenæum, 18 Aug., 223/3. The autobiographer became a trigonometrician, and astronomer at large.

3