Describing a form of social solidarity theorized by Emile Durkheim that is characterized by voluntary engagements in complex interdependencies for mutual benefit (such as business agreements), rather than mechanical solidarity, which depends on ascribed relations between people (as in a family or tribe).
Of a military unit or formation, or its elements, belonging to a permanent organization (in contrast to being temporarily attached).
Instrumental; acting as instruments of nature or of art to a certain destined function or end.