transsexual surgery(n = noun.act) sex-change operation - surgical procedures and hormonal treatments designed to alter a person's sexual characteristics so that the resemble those of the opposite sex;
is a kind of operation, surgery, surgical operation, surgical procedure, surgical process

accident surgery, brain surgery, closed-heart surgery, coronary bypass surgery, cosmetic surgery, dental surgery, doctor of dental surgery, elective surgery, heart surgery, laser surgery, major surgery, minimally invasive coronary bypass surgery, minor surgery, open-heart surgery, oral surgery, plastic surgery, port-access coronary bypass surgery, reconstructive surgery, surgery, transsexual, tree surgery, wrong-site surgery