IPA: /ˌæntɪˈpɜːrspɪrənt/
KK: /ˌæntɪˈpɜrspɪrənt/
A product that is applied to the skin to help reduce sweating.
She applied antiperspirant before going to the gym to stay dry.
Antiperspirant → It is formed from "anti-" (meaning against) and "perspirare" (meaning to breathe through or sweat). The word describes a substance that works against sweating.
Think of 'against' ('anti-') and 'sweating' ('perspirare') to remember that an antiperspirant is something that helps prevent sweating.