palaeoenvironmentPronunciation: /ˌpalɪəʊɪnˈvʌɪrənmənt, ˌpeɪ-/ (US paleoenvironment)Definition of palaeoenvironment noun an environment at a period in the geological past. Derivatives palaeoenvironmentalPronunciation: /-ɪnˌvʌɪrənˈmɛnt(ə)l/ adjective palaeoenvironment in other Oxford dictionaries Definition of palaeoenvironment in the US English dictionary