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Look up opal in Wiktionary, the free dictionary.
Opal is a gemstone.
Opal or OPAL may also refer to:
Places
editCanada
edit- Opal, Alberta
- Opal Hills, Jasper National Park, Alberta
- Opal Cone, a volcano in British Columbia
United States
edit- Opal, Missouri, an unincorporated community
- Opal, South Dakota, an unincorporated community
- Opal, Virginia, a census-designated place
- Opal, Wyoming, a town
Science and technology
editBiology and medicine
edit- 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
- Open Air Laboratories, an initiative in England to get the public more involved with nature
Computing
edit- OPAL (software) (Open Physics Abstraction Layer), a real-time physics engine
- Opal programming language, developed at Technische Universität 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
Physics
edit- Open-pool Australian lightwater reactor, a scientific facility in Sydney, Australia
- OPAL experiment and detector, of the Large Electron-Positron Collider at CERN
Space
edit- OPAL (Outer Planet Atmospheres Legacy) Project, observation project of the Hubble Space Telescope
Arts and entertainment
edit- The Opal (annual), an annual gift book from 1844 to 1849
- Opal (band), a 1980s rock band from Los Angeles, US
- Jack Stauber's OPAL, a 2020 short film that premiered on Adult Swim
Fictional entities
edit- Opal (EastEnders) a character on the BBC soap opera EastEnders
- Opal (The Simpsons), a talk show host on The Simpsons
- Opal Otter, the mother of Peanut, Baby Butter and Jelly Otter in "PB&J Otter"
- Opal City, a fictional city in the DC Comics universe
- Opal, a fictional character in the Cartoon Network show Steven Universe
- Opal, a fictional character in the Nickelodeon show The Legend of Korra
- Opal, a Pokémon character in the video games Pokémon Sword and Shield
Ships
edit- HMS Opal, two ships of the British Royal Navy
- USS Opal (PYc-8), a United States Navy patrol vessel during World War II
Transportation
edit- Opal (fuel), a brand of petrol produced by BP Australia
- Opal (armoured personnel carrier), a Polish vehicle
- Opal card, a smart card used on Sydney's transport network
Other uses
edit- Opal (given name)
- OPAL pipeline, a natural gas pipeline in Germany
- The Opal, a journal written by the patients of the Utica State Lunatic Asylum c. 1851
- Tropical Storm Opal, several tropical cyclones worldwide have been named Opal
- Opal Telecom, a former UK business broadband and telephone provider, now known as TalkTalk Business
- Opal Tower (Leeds), a skyscraper in Leeds, England
- Opal Tower (Sydney), a skyscraper in Sydney, Australia
- Australia women's national basketball team or the Opals
- Opal, a product by Nói Síríus
See also
edit- Upal, a town in Xinjiang, China
- Opals (disambiguation)