Definition of sciotheism in English:
sciotheism
noun ˈsʌɪə(ʊ)θɪɪz(ə)msʌɪə(ʊ)ˈθiːɪz(ə)m
rare The worship of ancestral spirits.
Origin
Late 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From scio- + -theism.