This dictionary covers terminology, concepts, and thinkers in the field of sociology, as well as from the related fields of psychology, economics, anthropology, philosophy, and political science. All entries for this fourth edition have been reviewed to ensure that they are concise, focused, and up to date. Revisions reflect current intellectual debates and social conditions, particularly in relation to global and multi-cultural issues. New entries cover relevant contemporary concepts, such as climate change, social media, terrorism, and intersectionality, as well as key living sociologists.