petrology
Concise Oxford English Dictionary © 2008 Oxford University Press:
petrology /pɪˈtrɒlədʒi/
▶noun the study of the origin, structure, and composition of rocks.
– derivatives
petrologic adjective,
petrological adjective,
petrologist noun.
petrologic adjective,
petrological adjective,
petrologist noun.
'petrology' also found in these Oxford entries:

