palaeotemperaturePronunciation: /ˌpalɪə(ʊ)ˈtɛmp(ə)rɪtjʊə, ˌpeɪ-/ (US paleotemperature)Definition of palaeotemperature noun Geology the temperature or mean temperature of a locality at a time in the geological past. palaeotemperature in other Oxford dictionaries Definition of palaeotemperature in the US English dictionary