FISSIONED
Verb
fissioned
simple past tense and past participle of fission
Source: Wiktionary
FISSION
Fis"sion, n. Etym: [L. fissio. See Fissure.]
1. A cleaving, splitting, or breaking up into parts.
2. (Biol.)
Definition: A method of asexual reproduction among the lowest (unicellular)
organisms by means of a process of self-division, consisting of
gradual division or cleavage of the into two parts, each of which
then becomes a separate and independent organisms; as when a cell in
an animal or plant, or its germ, undergoes a spontaneous division,
and the parts again subdivide. See Segmentation, and Cell division,
under Division.
3. (Zoöl.)
Definition: A process by which certain coral polyps, echinoderms, annelids,
etc., spontaneously subdivide, each individual thus forming two or
more new ones. See Strobilation.
Source: Webster’s Unabridged Dictionary 1913 Edition