The process or result of forming a cyst, or the state of being enclosed in a protective cyst.
From encyst + -ment (suffix forming nouns from verbs). Common in parasitology and medical terminology since the 19th century.
The encystment of certain parasites can last decades—scientists have found encysted organisms that survived for over 40 years in museum specimens before being revived.
Complete word intelligence in one call. Free tier — 50 lookups/day.