noun. ['ˈstɪgməˌtɪzəm'] the condition of having or being marked by stigmata.
noun. ['ˈstɪgməˌtɪzəm'] normal eyesight.
noun. ['ˈstɪgməˌtɪzəm'] (optics) condition of an optical system (as a lens) in which light rays from a single point converge in a single focal point.