prehistorian
noun
pre·his·to·ri·an ˌprē-(h)i-ˈstȯr-ē-ən 
: an archaeologist who specializes in prehistory
Example Sentences
Recent Examples on the Web One French prehistorian has a theory that painting the handprints was a form of sacred ritual, according to the report. 
Fox News, 5 May 2017
Fox News, 5 May 2017 Word History
First Known Use
1893, in the meaning defined above
- ratcatcher
- ratch
- ratches
- ratchet
- ratchet (down)
- ratchet (up)
- ratchet brace
- ratchet coupling
- ratchet crank
- ratchet down
- ratchet drill
- ratchet jack
- ratchet screwdriver
- ratchet stop
- ratchet thread
- ratchet tooth
- ratchet up
- ratchet wheel
- ratchet wrench
- ratcheted
- ratcheted (down)
- ratcheted (up)
- ratcheted down
- ratcheted up
- ratcheting