IPA: /ˌɛəriˈɒlədʒi/
KK: /ɛrˈiːəˌlədʒi/
The study of the planet Mars.
Areology helps scientists understand the geology and atmosphere of Mars.
Areology → It is formed from "Ares" (from Greek Ἄρης, meaning Mars, the god of war) and "-logy" (from Greek -λογία, meaning study of). The word refers to the study of Mars, particularly in the context of its geology and environment.
Think of 'Ares', the Greek god of war, to remember that 'areology' is the study of Mars, named after him.