misdivision

noun

mis·​di·​vi·​sion ˌmis-də-ˈvi-zhən 

plural misdivisions

: improper or incorrect division

The word "nickname" is a misdivision of the phrase "an ekename" …

—Nathan Bierma

specifically : an abnormal transverse division of a centromere during meiosis or mitosis that results in the formation of two isochromosomes or two telocentric chromosomes

Word History

First Known Use

1850, in the meaning defined above