Opal (disambiguation)

An opal is a gemstone.

Opal may also refer to:

People

• Opal (given name)

Places

In Canada

• Opal, Alberta
• Opal Cone, a volcano in British Columbia
• Opal Hills, Jasper National Park

In the United States

• Opal, Missouri, an unincorporated community
• Opal, South Dakota, an unincorporated community
• Opal, Virginia, a census-designated place
• Opal, Wyoming, a town

Elsewhere

• Upal or Opal, a town in Xinjiang, China

Science and technology

Computing

• OPAL (software) (Open Physics Abstraction Layer), a real-time physics engine
• Opal programming language, developed at the Technical University of Berlin
• Open Phone Abstraction Library (OPAL), a fork of the H323plus project supporting H.323, SIP, IAX2
• Opal Storage Specification, a storage specification developed by the Trusted Computing Group

Research facilities

• Open-pool Australian lightwater reactor, a scientific facility in Sydney, Australia
• OPAL detector, a detector of the Large Electron-Positron Collider at CERN

Other sciences

• Opal (apple), a variety of apple produced by crossing Golden Delicious and Topaz varieties
• Opal (butterfly), common name for the butterfly genus, Chrysoritis
• Omeprazole or Opal, a drug
• Opal phytolith, a rigid microscopic body that occurs in many plants
• Opal, a stop codon

Other technologies

• Opal (armoured personnel carrier), a Polish vehicle
• Opal card, a smart card used on Sydney's transport network
• OPAL pipeline, a natural gas pipeline in Germany

Arts and entertainment

• The Opal (annual), an annual gift book from 1844 to 1849
• Opal (band), a 1980s rock band from Los Angeles, USA
• Opal (EastEnders) a character on the BBC soap opera EastEnders
• Opal (The Simpsons), a talk show host on The Simpsons
• Opal City, a fictional city in the DC Comics universe
• Opal, a fusion gem on the Cartoon Network show Steven Universe

Ships

• HMS Opal, two ships of the British Royal Navy
• USS Opal (PYc-8), a United States Navy patrol vessel during World War II

Other uses

• The Opal, a journal written by the patients of the Utica State Lunatic Asylum c. 1851
• Opal (fuel), a brand of petrol produced by BP Australia
• Hurricane Opal, a devastating hurricane in 1995
• Opal Telecom, a business broadband and telephone provider in the UK
• Opal Tower (Leeds), a skyscraper in Leeds, UK
• Open Air Laboratories Network (OPAL). an initiative in England to get the public more involved with nature
• Australia women's national basketball team or the Opals
• Opal, a product by Nói Síríus

See also

• Opel (disambiguation)
• Opals (disambiguation)