encysted; encysting; encysts
: to enclose in a cyst
: to form or become enclosed in a cyst
Cite this Entry
“Encyst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/encyst. Accessed 31 Oct. 2025.
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Medical Definition
encyst
transitive verb
en·cyst
in-ˈsist, en- 
: to enclose in or as if in a cyst
an encysted tumor
: to form or become enclosed in a cyst
protozoans encysting in order to resist desiccation
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