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Definitions for Fission

[1] the act of cleaving or splitting into parts.
[2] Also called nuclear fission. Physics . the splitting of the nucleus of an atom into nuclei of lighter atoms, accompanied by the release of energy. Compare fusion(def 4) .
[3] Biology . the division of an organism into new organisms as a process of reproduction.
[4] Physics . to undergo fission.
[5] Physics . to cause to undergo fission.
[6] the act or process of splitting or breaking into parts
[7] biology a form of asexual reproduction in single-celled animals and plants involving a division into two or more equal parts that develop into new cells
[8] short for nuclear fission

Words related to Fission

division, parting, severance

Words nearby Fission

fishy, fisk, fiske, fissi-, fissile, fission, fission bomb, fission fungi, fission product, fission reactor, fission track

Origin of Fission

1835–45; < Latin fissiōn- (stem of fissiō ) a splitting, dividing, equivalent to fiss(us ) divided (see fissi-) + -iōn- -ion

Words that may be confused with Fission

fission, fusion

Word origin for Fission

C19: from Latin fissiō a cleaving

Synonyms for Fission

division, parting, severance, atom smashing, atomic reaction, dividing, nuclear fission, splitting the atom, thermonuclear reaction