geology

/dʒiˈɑlədʒi/

IPA: /JH IY0 AA1 L AH0 JH IY0/

noun
  1. 1

    The science that studies the structure of the earth (or other planets), together with its origin and development, especially by examination of its rocks.

  2. 2

    The geological structure of a region.

    The geology of the Alps.

Source: https://en.wiktionary.org/wiki/geology