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Relating to or characteristic of a specified stage in the use of stone by humans: Eolithic.
adj combining form
(in anthropology) relating to the use of stone implements in a specified cultural period: Neolithic.
[from Greek lithikos, from lithos stone]
1. pertaining to or consisting of stone.
2. pertaining to clastic rocks containing a large proportion of debris from previously formed rocks.
3. of, pertaining to, or containing lithium.
[1790–1800; < Greek lithikós, derivative of líthos stone]
a combining form used in the names of cultural phases in archaeology characterized by the use of a particular type of tool: Neolithic.