Definition of petrologist in US English:

petrologist

noun

  • See petrology

    • ‘The volume will be of general interest to geochronologists and metamorphic petrologists.’
    • ‘Most metamorphic petrologists would argue that the anhydrous nature of rocks formed under deep crustal conditions, e.g. granulites, proves the deep crust is dry.’
    • ‘The Dutch sedimentary petrologist and marine geologist Philip Kuenen is best known for his research on turbidity currents and their deposits.’

Pronunciation

petrologist

/pəˈträləjəst//pəˈtrɑlədʒəst/