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Meaning of protolithic

pro•to•lith•ic

Pronunciation: (prōt"l-ith'ik), [key]
— adj. Anthropol.
  1. noting or pertaining to stone implements selected according to suitability of the form to a particular purpose without definite shaping on the part of the user.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.