| Open quantum system | Operation Hummingbird | Opel Rekord |
| OppèdeOppede situated in Vaucluse in the south of France is in fact two villages, Oppede le vieux ("the old" in French), built against the petit Luberon and dating back to the 12th century, and Oppede les poulivets ("nice view" in Provencal), today known as "le | Operation LitaniOperation Litani was the official name of Israel's 1978 invasion of Lebanon up to the Litani river. The invasion was a military success, as PLO forces were pushed north of the river. However, international outcry led to the creation of UNIFIL and a partia | OpenTrackerOpenTracker is the generic term given to the opensource versions of the Tracker and Deskbar desktop management tools for BeOS. The original Tracker and Deskbar we created by Be, Incorporated, as part of BeOS, but were opensourced in late 2000. The project |
| Operation Helpem FrenOperation Helpem Fren also known as the Regional Assistance Mission to the Solomon Islands (RAMSI), was created in response to a request for international aid by the Governor General of the Solomon Islands. Causes for Unrest The Solomon Islands Government | Optimum populationOptimum population is where the amount of resources available in a country is equal to the country's population, so there are enough resources to maintain its population. If it is below its optimum population then it has more resources than needed for the | Operations Support SystemOriginally used in the Telecommunications world to describe the processes and teams that monitor the underlying networks. Predominantly looking at Functional and Non functional requirements of solutions/systems. Monitoring, End-to-End design, Error Handli |
| Open economyAn open economy is an economy in which people, including businesses, can trade in goods and services with other people and businesses in the international community at large. This contrasts with a closed economy in which international trade cannot take pl | Operation Ten-GoOperation Ten-Go ( ten-go sakusen was a Japanese naval operation in the Pacific campaign of World War II. Following the invasion of Okinawa on April 1 1945, the Japanese battleship Yamato and her escorts were sent to attack the US fleet supporting the US | Option contractAn option contract is defined as "a promise which meets the requirements for the formation of a contract and limits the promisor's power to revoke an offer. Restatement (Second) of Contracts § 25 (1981). Quite simply, an option contract is a type of contr |
| Open Design | Optical parametric amplifier | Operation spacehog |
| Operation Hurricane | Open Up And Say...Ahh! | Opposition to Castro |
| Operation Unified Resolve | Operation Hambone | Operation Phantom Fury |
| Open Gaming Foundation | Open hearth furnace | Operation Christmas Child |
| Operation Planet X | Open meeting laws | Open records law |
| Opuha Dam | Opuha River | Operation Peninsula Strike |
| Opihi River | Operación Triunfo | Open shop |
| Opisthotonus | Operation Motorman | Operation Soda Mountain |
| Operation Ivy Serpent | Operation Phillis | Oppian |
| Operation Bodenplatte | Operation Abilene | Operation Panther Squeeze |
| Operation Clear Area | Operation Bayonet Lightning | Operation Northern Delay |
| Operation Option North | Operation Ivy Needle | Operation Desert Scorpion (Iraq 1998) |
| Operation Desert Scorpion (Iraq 2003) | Operations security | Operation All American Tiger |
| Operation Eagle Curtain | Operation OK Corral | Operation Sweeny |
| Operation Chamberlain | Operation Industrial Sweep | Operation Tiger Clean Sweep |
| Operation Yellow Ribbon | Open reading frame | Operation Aloha |
| Operation Desert Thrust | Operation Iron Promise | Operation Longstreet |
| Operation Silverado | Operation Ivy Lightning | Opensolaris |
| OpenExpression | Open Motif | Oppolzer (crater) |
| Operation Dingo | Operation Algeciras | Operation Auxin |
| Operation Pacific | Opunake | Opinel knife |
| Opacifier | Oprah's Book Club | OPM (band) |
| Open Heart Symphony | Operation Fastlink | |
