palæocrystallic,a.|-krɪˈstælɪk| more etymological form of next. 1893Sir R. Ball in Fortn.Rev. Aug. 182 That palæo⁓crystallic ocean which Arctic travellers have described.1895Times 23 Nov. 4/6 The hero and the villain are left alone..with very little food, in the palæocrystallic ice.