One word substitute is Lithotomy.Dichotomy: a division or contrast between two things that are or are represented as being opposed or entirely different.Tubectomy: surgical removal of the fallopian tubes.Vasectomy: the surgical cutting and sealing of part of each vas deferens, typically as a means of sterilization.Lithotomy: surgical removal of a calculus (stone) from the bladder, kidney, or urinary tract.