Stone Age: Meaning and Definition of

Stone' Age"

Pronunciation: [key]
  1. the period in the history of humankind, preceding the Bronze Age and the Iron Age, and marked by the use of stone implements and weapons: subdivided into the Paleolithic, Mesolithic, and Neolithic periods.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.