theodolitic


the·od·o·lite

T0149700 (thē-ŏd′l-īt′)n. An optical instrument consisting of a small mounted telescope rotatable in horizontal and vertical planes, used to measure angles in surveying.
[Probably coined by Leonard Digges (1520-1559), English mathematician and surveyor, as the name of a device for measuring horizontal angles, perhaps from Greek theā, a viewing + a second element of unknown origin.]
the·od′o·lit′ic (-lĭt′ĭk) adj.