An electrical circuit that has a break preventing current from flowing through.
Open cornice
A cornice with exposed, rather than enclosed, rafter ends.
Open end wrench
The open end wrench is better adapted to use in tight spaces than box end wrenches. The open end wrench can be easily slipped on and off a nut or bolt, allowing for easier access in tight situations.
Open grain
Coarsely-grained wood that may require filler or sealer before staining. Oak is an open grain wood.
Open hearth furnace
A furnace with a shallow hearth used in steel processing. The steel is directly exposed to the heat source.
Open house
Method of showing a home that is for sale. The house is left open for prospective buyers to see. The house may be advertised in the newspaper and/or outside the house.
Open housing
Housing where purchase or lease is available to everyone regardless of race, ethnic origin, color or religion and affirmative action is actively pursued.
Open listing
Property marketed by a number of brokers simultaneously. This type of agreement permits a real estate agent to sell the property while allowing the homeowner of other agents to attempt to make the sale.
Open listing agreement
Listing agreement given to many brokers and/or agencies. The property owner pays a commission only to the broker who actually produces a buyer for the property.
Open mortgage
Mortgage that has matured or is overdue and, therefore, open to foreclosure at any time. Alternately, a mortgage that does not have a prepayment clause and permits the mortgagor to repay the mortgage at any time without paying a penalty.
