postreduction
/ˈpəʊs(t)rɪˌdʌkʃn/noun
1The halving of the chromosome number by the separation of homologous chromosomes at the second, rather than the first, of the two divisions of meiosis (as in certain plants and arthropods).
2Separation of the different alleles at a particular heterozygous locus at the second division of meiosis (as a result of the occurrence of crossing over).
adjective
Occurring or carried out after a process of reduction (of a fracture, dislocation, intussusception, etc.).
Origin
Early 20th century; earliest use found in Proceedings of the Academy of Natural Sciences of Philadelphia. From post- + reduction, after German Postreduction (E. Korschelt & K. Heider Lehrb. der vergleichenden Entwicklungsgeschichte der wirbellosen Thiere (Allgemeiner Theil) II. vi. 595).