[oh-puh n-shelf] /ˈoʊ pənˈʃɛlf/
- Open shortest-path first
Open Shortest-Path First Interior Gateway Protocol
[oh-puh n-sahy-did] /ˈoʊ pənˈsaɪ dɪd/ adjective 1. having a side or sides open.
noun 1. (on a firearm) a rear sight consisting of a notch across which the gunner aligns the front sight on the target.
- Open society
noun a culture in which there is freedom and tolerance of belief and flexible structure, cf. closed society See closed society