IPA: //ˌpʌs.tʃəˈleɪ.ʃən//
KK: /ˌpʌs.tʃəˈleɪ.ʃən/
The process or condition of developing small, raised bumps filled with pus on the skin.
The doctor explained that pustulation can occur due to various skin infections.
Pustulation → It is formed from "pustula" (from Latin, meaning pimple or blister) and the suffix "-tion" (meaning the action or process of). The word "pustulation" refers to the process of forming pustules or blisters on the skin.
Think of 'pustula' meaning pimple, and remember that 'pustulation' describes the process of forming pimples or blisters.