The correct spelling of the word many people mistakenly write as "exsiceate" is actually "exsiccation". The IPA phonetic transcription for this word would be /ˌeksɪˈkeɪʃən/. The "x" sound in the beginning is pronounced as "ks" and the "c" in the middle of the word is pronounced as "s". The word refers to the process of drying something out or removing all moisture from it. It is important to use the correct spelling and pronunciation of this word in scientific and technical contexts.
To deprive of moisture.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.