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.
The definition of a house is  a building or shelter where people or animals live. An example of house is a three bedroom two bath single family residence. An example of house is a structure where a family dog sleeps outside.