Pronunciation: (lith'ik),[key] —adj. 1. pertaining to or consisting of stone.
2. Petrol.pertaining to clastic rocks, either sedimentary or volcanic, containing a large proportion of debris from previously formed rocks: a lithic sandstone; lithic tuff. 3. Pathol.pertaining to stony concretions, or calculi, formed within the body, esp. in the bladder.
4. Chem.of, pertaining to, or containing lithium.
—n. Archaeol.a stone artifact.
a combining form used in the names of cultural phases in archaeology characterized by the use of a particular type of tool: Chalcolithic; Neolithic.