eolith
/ˈiəˌlɪθ/
noun
- A very early, roughly chipped stone tool from the earliest period of human stone tool use, or a naturally broken stone that was once thought to be such a tool.
- Archaeologists debated whether the eolith was made by humans or shaped by natural forces.
- Some eoliths are now considered to be natural rocks, not actual tools.
- The museum displayed an eolith from the early Stone Age.