meiosis

nouns

(genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants)

meiosis, miosis, reduction division

is derived from

meiotic

understatement for rhetorical effect (especially when expressing an affirmative by negating its contrary)

"saying `I was not a little upset' when you mean `I was very upset' is an example of litotes"

litotes, meiosis