Biol. [f. prec. + -ATION.] The process (observed in some Protozoa) of becoming surrounded with a cyst, bag or capsule; = ENCYSTMENT.
1869. Nicholson, Zool., 61. Reproduction in Vorticella … by a process of encystation and endogenous division.
1877. Huxley, Anat. Inv. Anim., xii. 660. The Heliozoa propagate by simple division with or without previous encystation.
