ss
- n the United States intelligence agency that protects current and former presidents and vice presidents and their immediate families and protects distinguished foreign visitors; detects and apprehends counterfeiters; suppresses forgery of government securities and documents
- n special police force in Nazi Germany founded as a personal bodyguard for Adolf Hitler in 1925; the SS administered the concentration camps
- n 1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
- n an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
- n the cardinal compass point that is at 180 degrees
- n a unit of conductance equal to the reciprocal of an ohm
- n the 19th letter of the Roman alphabet
- n (thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work