goniometrical
Go`ni*o*met"ric, Go`ni*o*met"ric*al (, a. Defn: Pertaining to, or determined by means of, a goniometer; trigonometric.
Go`ni*o*met"ric, Go`ni*o*met"ric*al (, a. Defn: Pertaining to, or determined by means of, a goniometer; trigonometric.