(n) order entry system
(n) automatic control
(n) open water diver
(n) (comp) open source software
(n) (comp) open shortest path first
OSPF
(n) aural communication
(n) oldfashioned glass
(n) off-the-shoulder neckline
(n) (comp) offline folder file
(n) (comp) object-oriented
(n) (comp) Oracle 9iAS
(n) (comp) on-screen display
(n) (comp) online support center
(n) (comp) online test section
(n) (comp) online test program
(n) on-line dictionary
(n) (comp) online project management
(n) (comp) online real-time surveillance
(n) (comp) online real-time processing
(n) (comp) online scientific computer
(n) (comp) online instrumentation package
(n) car navigation system
(n) counterintelligence
(n) counter-propagation
(n) customized communication
customised communication
(n) (comp) color management system
(n) country and western
(n) country and western
(n) Geiger-Mueller counter
(n) (comp) garbage in, garbage out