nuclear terrorism: the use of a nuclear device by a terrorist organization to cause massive devastation or the use (or threat of use) of fissionable radioactive materials
terrorism: the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear
orchotomy: surgical incision into the testis to obtain material for analysis (as in cases of abnormally low sperm count)