IPA: /ɛkˌsɪkəˈkeɪʃən/
KK: /ɛkˈsɪkəˌkeɪʃən/
The process of removing moisture from something, leading to dryness.
The exsiccation of the plant material made it easier to store for later use.
Exsiccation → It is formed from "ex-" (meaning out of or from) and "siccare" (meaning to dry). The word refers to the process of removing moisture or drying out something completely.
Think of 'drying out' something completely — 'ex-' means out of, and 'siccare' means to dry.