From classical antiquity through the 19th century, science as a type of knowledge was more closely linked to philosophy than it is now, and in the Western world the term natural philosophy once encompassed fields of study that are today associated with science, such as astronomy, medicine, and physics.
Occupancy definition, the act, state, or condition of being or becoming a tenant or of living in or taking up quarters or space in or on something: Continued occupancy of the office depends on a rent reduction. See more.
A certificate of occupancy. A certificate of occupancy is a document issued by a local government agency or building department certifying a building's compliance with applicable building codes and other laws, and indicating it to be in a condition suitable for occupancy.