petrology

From petro- +‎ -logy.

• (UK) IPA^(key): /pɪˈtɹɒl.ə.d͡ʒi/
• (US) IPA^(key): /pəˈtɹɑl.ə.d͡ʒi/

• Audio (Southern England):

  (file)

 

English Wikipedia has an article on:

petrology

Wikipedia

petrology (usually uncountable, plural petrologies)

1. (geology) The study of the origin, composition and structure of rock.

• mineralogy

• petrography
• petrologist

• pterology, reptology