fission defined in 1951 yearfission - fission;
fission - Reproduction by splitting into two equal parts (binary fission) or more than two equal parts (multiple fission). Binary fission occurs in many unicellular organisms, and some multicellular ones (e.g. corals); multiple fission occurs in the course of spore formation by Protozoa. Compare with: Budding.
near fission in Knolik
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