- Stone Age - (archeology) the earliest known period of human culture, characterized by the use of stone implements
--1 is a kind of time period, period of time, period
--1 is a part of prehistory, prehistoric culture
--1 has parts:Eolithic Age, Eolithic; Paleolithic Age, Paleolithic, Palaeolithic; Mesolithic Age, Mesolithic, Epipaleolithic; Neolithic Age, Neolithic, New Stone Age