You searched for: “fission”
fission, nuclear fission
1. The act of splitting or breaking apart.
2. In biology, the spontaneous division of a cell or organism into new cells or organisms; especially, as a mode of reproduction; cell division.
3. In physics, the disintegration of the nucleus of a heavy atom, leading to the formation of nuclei of more stable atoms and the release of energy.
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binary fission (s) (noun)
A form of asexual reproduction that involves the splitting of a parent cell into two approximately equal parts: "Binary fission involves the division of a single-celled organism into two daughter cells."

"Binary fission is a common form of asexual reproduction among bacteria, protozoa, and other unicellular organisms."

This entry is located in the following unit: fissi-, fiss-, fissur- (page 1)
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fission (s) (noun), fissions (pl)
The multiplication of ant colonies by splitting the worker force into two or more groups: In the process of fission, each group sets forth with its own fertile queen.
This entry is located in the following unit: Ant and Related Entomology Terms (page 7)
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colony fission, sociotomy (s) (noun); colony fissions; sociotomies (pl)
The multiplication of colonies by the departure of one or more reproductive forms: Colony fission is accompanied by groups of workers, from the parental nest, leaving behind comparable units to perpetuate the "parental" colony.

This mode is referred to occasionally as "hesmosis" in ant literature, and "sociotomy" in termite literature. Swarming honey bees can be regarded as a special form of colony fission.

This entry is located in the following unit: Ant and Related Entomology Terms (page 5)