Ne‧o‧lith‧ic , neolithic /ˌniːəˈlɪθɪk◂/ adjective
[Date: 1800-1900; Origin: neo- + Greek lithos 'stone']
relating to the last period of the Stone Age, about 10,000 years ago, when people began to live together in small groups and make stone tools and weapons:
a Neolithic burial ground

[TahlilGaran] Dictionary of Contemporary English ▲