the policy of admitting people of all nationalities or ethnic groups to a country upon equal terms, as for immigration.
the policy or practice of trading with all nations on an equal basis.
admission or access; unrestricted opportunity:
His experience had given him an open door to success in his field.
a policy or practice by which a nation grants opportunities for trade to all other nations equally
free and unrestricted admission
open to all; accessible
(in industrial relations) designating a policy of management being prepared to talk to workers in the office at any time
- Open drainage
open drainage n. The admittance of air into a wound or cavity to facilitate drainage.
- Open drop anesthesia
open drop anesthesia n. Inhalation anesthesia using the open drop technique.
- Open drop technique
open drop technique n. A technique for producing inhalation anesthesia in which drops of a liquid anesthetic, such as ether, are placed on a gauze mask or cone applied over the mouth and nose.
[oh-puh n] /ˈoʊ pən/ adjective 1. not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate: to leave the windows open at night. 2. (of a door, gate, window sash, or the like) set so as to permit passage through the […]