English edit

Etymology edit

petrology +‎ -ist

Noun edit

petrologist (plural petrologists)

  1. A geologist who specializes in petrology.
    • 2018, Tim Flannery, Europe: A Natural History, page 76:
      As Kirkpatrick worked, Otto Hahn - an intensely patriotic German lawyer and amateur petrologist turned Swedenborgian who believed life originated in outer space - was spending long hours staring down his microscope at what he took to be the fossilised remnants of algae.