Latin for at first sight. Fact assumed to be true unless subsequent evidence disproves it.
Primary air
The air that is supplied to the combustion chamber of a furnace.
Primary air flow rate
Volume of air entering a supply air terminal device within a time unit.
Primary beneficiary
The person who will receive the benefits of a trust or insurance policy, when distribution is made.
Primary coil
First coil in an electrical transformer.
Primary financing
Loan that comes before all other loans in the event of default.
Primary lease
Rental agreement between the owner and a tenant. When the tenant rents to someone else, it is called a sublease.
Primary location
Real estate which is located in the most excellent area for it's designated use.
Primary market area
A regional area from which one can expect the greatest demand for a specific product or service.
Primary metropolitan statistical area (pmsa)
A classification of the U.S. Census Bureau applied to cities with the following classifications. Within a metropolitan area with a population of one million or more, there may be areas that would qualify as metropolitan areas on their own, yet are linked to other cities in close proximity. These individual areas are called Primary Metropolitan Statistical Areas, while the metropolitan area containing these PMSAs is called a Consolidated Metropolitan Statistical Area (CMSA).
