DCHP-1 Online
rock doctor Mining, Slang 
a geologist.
- 1952 Then the Indian brought back the rock doctor a sample of iron ore of extremely high grade and led him to the place in Ungava where he had found it.
- 1964 Another "doctor" is the rock-doctor, a term originally applied to a geologist holding a doctor's degree, but now generally applied to all geologists.
- 1952 Then the Indian brought back the rock doctor a sample of iron ore of extremely high grade and led him to the place in Ungava where he had found it.