[a. F. fissuration, n. of action f. fissurer: see FISSURE v. and -ATION.]
1. The action of fissuring or splitting asunder; the state of being fissured or cleft.
1864. Intell. Observ., VI. No. 33, 193. There is likewise a slight fissuration of the caudal end, indicating the first rudiments of two appendages, which, in a more advanced condition of the sporocyst, look like a pair of imperfectly fashioned limbs.
1887. Amer. Jrnl. Psych., I. 342. Whether fissuration be due to mechanical causes or represent lines of retarded growth, each fissure is probably not due to a distinct process, but is in many cases, as Dr. A. J. Parker had shown, due to ‘vegetative repetition.’
2. Biol. = FISSION.
1867. J. Hogg, Microsc., II. ii. 403. The multiplication of the species is effected in some by spontaneous division or fissuration, in others by gemmation or budding; whilst some are oviparous, and others viviparous.
1884. Syd. Soc. Lex., Fissuration.
