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binary fission

American  

noun

Biology.
  1. fission into two organisms approximately equal in size.


binary fission British  

noun

  1. asexual reproduction in unicellular organisms by division into two daughter cells

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of binary fission

First recorded in 1895–1900

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Name the processes that eukaryotic cell division and binary fission have in common.

From Textbooks • Jun. 9, 2022

Prokaryotes, such as bacteria, propagate by binary fission.

From Textbooks • Jun. 9, 2022

In protists, binary fission can be divided into transverse or longitudinal, depending on the axis of orientation; sometimes Paramecium exhibit this method.

From Textbooks • Jan. 1, 2015

Cycles of binary fission can be very rapid, on the order of minutes for some species.

From Textbooks • Apr. 25, 2013

This organism is remarkable in one or two ways: it possesses a contractile vacuole; the amoeboid trophozoites tend to form plasmodia; and the spores, of the usual simple type, may apparently divide by binary fission.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various

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