plural of social insurance number

The difference in the timing of a person's sleep period (measured as average midpoint of his/her sleep period) between workdays and rest days.

(socialism) The theory and practice of attaining socialism without world revolution.

(fascism) A collaborationist state that existed from 1943 to 1945.

(politics, historical) The political programme of mild democratization and liberalization, established in socialist Czechoslovakia in 1968, that led to the Prague Spring.

(business, economics) A form of international private business self-regulation which aims to contribute to societal goals of a philanthropic, activist, or charitable nature.

The name of various social democratic parties, including U.K.'s one.

A non-traditional way of organizing projects and performing project management, based on social networking and distributed virtual teams.

(Britain) A school subject in which students are taught important facts of life not covered in other subjects, such as sexual relationships, drug abuse and so on.

plural of anti-social personality disorder