S: (n) meiosis, miosis, reduction division ((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))
S: (n) segregation, separatism (a social system that provides separate facilities for minority groups)
S: (n) segregation, sequestration (the act of segregating or sequestering) "sequestration of the jury"