stone age(n = noun.time) - (archeology) the earliest known period of human culture, characterized by the use of stone implements;
is a kind of period, period of time, time period
is a part of prehistoric culture, prehistory
has parts: eolithic, eolithic age, palaeolithic, paleolithic, paleolithic age, epipaleolithic, mesolithic, mesolithic age, neolithic, neolithic age, new stone age

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