From Longman Dictionary of Contemporary Englishpaleolithicpal‧e‧o‧lith‧ic (also palaeolithic British English, often Paleolithic) /ˌpæliəʊˈlɪθɪk◂, ˌpeɪ- $ ˌpeɪlioʊ-/ adjective SHrelating to the Stone Age (=the period of time thousands of years ago when people used stone tools and weapons) a paleolithic axe → Neolithic
Examples from the Corpus
paleolithic• the Paleolithic eraOrigin paleolithic (1800-1900) paleo- + Greek lithos “stone” 