Sciotheric \Sci`o*ther"ic\, a. [Cf. L. sciothericon a sundial. See {Sciatheric}.] Of or pertaining to a sundial. [1913 Webster] {Sciotheric telescope} (Dialing), an instrument consisting of a horizontal dial, with a telescope attached to it, used for determining the time, whether of day or night. [1913 Webster]