Correct spelling for the English word "skiameter" is [skˈa͡ɪəmˌiːtə], [skˈaɪəmˌiːtə], [s_k_ˈaɪ_ə_m_ˌiː_t_ə] (IPA phonetic alphabet).
A device for measuring the intensity or penetrating power of the x-rays.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.