: reproduction of a cell by division into two approximately equal parts
the binary fission of protozoans
Example Sentences
Recent Examples on the WebThe trophozoite divides by binary fission and makes thousands of copies of itself that attach to the lining of the small intestine. Ned Rozell, Anchorage Daily News, 21 Aug. 2021
Word History
First Known Use
1862, in the meaning defined above
Medical Definition
binary fission
noun
: reproduction of a cell by division into two approximately equal parts compare multiple fission