Meaning of FISSION
| Pronunciation: | | 'fishun
|
 WordNet Dictionary |
| |
| | Definition: | |
- [n] a nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy
- [n] reproduction of some unicellular organisms by division of the cell into two more or less equal parts
|
| |
| | Sponsored Links: | |
|
| |
| | Synonyms: | | nuclear fission |
| |
| | See Also: | | agamogenesis, asexual reproduction, nuclear reaction, schizogony | |
| Webster's 1913 Dictionary |
| |
| | Definition: | | \Fis"sion\, n. [L. fissio. See {Fissure}.]
1. A cleaving, splitting, or breaking up into parts.
2. (Biol.) 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. (Zo["o]l.) A process by which certain coral polyps,
echinoderms, annelids, etc., spontaneously subdivide, each
individual thus forming two or more new ones. See
{Strobilation}.
|
| |
| Biology Dictionary |
| |
| | Definition: | | A type of cell division in which overall (i.e., not localized) cell growth is followed by septum formation which typically divides the fully grown cell into two similar or identical cells. |
| |
| Thesaurus Terms |
| |
| | Related Terms: | | ablate, abscission, accelerate, activate, alpha decay, amputation, atom-chipping, atomic disintegration, atomic reaction, atomization, atomize, atom-smashing, beta decay, bifurcate, bisect, bombard, bombardment, branch, break into pieces, break to pieces, break up, breeding, bullet, butchering, by two, catalysis, catalyst, chain reaction, chopping, cleavage, cleave, come apart, consume, corrode, crack up, crash, cross-bombard, crumble, crumble into dust, crunch, crush, cut in two, cut to pieces, cutting, decay, decompose, demolish, dialysis, dichotomize, dichotomy, diffuse, dimidiate, disintegrate, disintegration series, disjoin, disorganize, disperse, disrupt, dissociation, dissolve, divide, enucleation, erode, exchange reaction, excision, fall to pieces, fission reaction, fork, fragment, gamma decay, grind, halve, hydrolysis, hydrolyst, in half, ionization, laceration, make mincemeat of, mince, molder, mutilation, neutron reaction, nonreversible reaction, nuclear fission, nucleization, nucleize, photodisintegration, photolysis, proton gun, proton reaction, pulverize, ramify, rending, resection, reversible reaction, ripping, scatter, scission, section, severance, shatter, shiver, slashing, slicing, smash, smash the atom, smash up, splinter, split, split in two, splitting, splitting the atom, squash, squish, stimulation, subdivide, surgery, target, tearing, thermolysis, thermonuclear reaction, transect, waste away, wear away |
| |
|
|
|