WordReference Random House Unabridged Dictionary of American English © 2026
pro•to•lith•ic
(prōt′l ith′ik),USA pronunciation adj. [Anthropol.]
- Archaeologynoting 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.
- proto- + lithic 1895–1900
'protolithic' also found in these entries (note: many are not synonyms or translations):