of or relating to a Lower Palaeolithic culture in W Europe, characterized by a method of flaking flint tools so that one side of the core is flat and the other domed
Levalloisian in American English
(ˌlɛvəˈlɔɪziən)
adjective
designating or of a middle Paleolithic culture, characterized by the production of flake tools
Word origin
after Levallois-Perret where such tools were found