IPA: /ɡleɪʃiˈeɪʃən/
KK: /ˈɡleɪʃiˌeɪʃən/
The process of being covered by ice or glaciers, which can shape the landscape and create various geological features.
The last glaciation significantly altered the geography of the region.
Glaciation → It is formed from "glacies" (meaning ice) and the suffix "-ation" (indicating a process or action). The word "glaciation" refers to the process of becoming covered with ice or the state of being glaciated.
Think of 'ice' ('glacies') and remember that 'glaciation' means the process of becoming covered with ice.