reduction division

noun

: the usually first division of meiosis in which chromosome reduction occurs

also : meiosis sense 2

Word History

First Known Use

1891, in the meaning defined above

Kids Definition

reduction division

noun

: the first meiotic cell division in the formation of sex cells in which the number of chromosomes in each cell is halved

also : meiosis

Medical Definition

reduction division

noun

: the usually first division of meiosis in which chromosome reduction occurs

also : meiosis