soteriologyPronunciation: /sə(ʊ)ˌtɪərɪˈɒlədʒi, sɒ-/Definition of soteriology noun [mass noun] Theology the doctrine of salvation. Derivatives soteriological adjective Origin: mid 19th century: from Greek sōtēria 'salvation' + -logysoteriology in other Oxford dictionaries Definition of soteriology in the US English dictionary