All articles starting with O
9,097 articles
omi CrB
omi CrB (Omicron Coronae Borealis, HD 136512) is a K0 III giant star about 84.8 pc away hosting omi CrB b, a confirmed gas giant of about 1.1 Jupiter masses in a 187-day, 0.699 au radial-velocity orbit, discovered in 2012 by Sato et al.
Ōmi Ōtsu Palace
Ōmi Ōtsu Palace (近江大津宮) was the imperial palace at Ōtsu on Lake Biwa where Emperor Tenji made Japan's capital from 667 until the Jinshin War of 672.
omi UMa
omi UMa (Omicron Ursae Majoris) is a 3.1-solar-mass G4 giant about 54.9 pc away hosting omi UMa b, a 4.1 Jupiter-mass radial-velocity planet in a 1630-day orbit, the first planet found around a star above 3 solar masses.
Omi Vaidya
Omi Vaidya (born 1982) is an Indian-American actor, writer, and director known as Chatur "Silencer" Ramalingam in 3 Idiots and Sadiq in The Office; he directs and stars in the Marathi film Aaichya Gavat Marathit Bol.
Omichund
Omichund, or Amir Chand (امیر چند), was a wealthy Calcutta merchant who brokered the conspiracy that gave Bengal to the East India Company at Plassey in 1757.
Omicron (Όμικρον)
Omicron (Όμικρον) is the 15th Greek letter, Ο ο, meaning "small o" versus omega "big o"; derived from Phoenician ayin, numeral value 70, short [o] in classical Greek, and the WHO's name for a 2021 SARS-CoV-2 variant.
Omicron Andromedae
Omicron Andromedae, approved as Alfarasalkamil by the IAU in 2025, is a quadruple star system in Andromeda whose brightest component is a Be shell star about 690 light-years away.
Omicron Aquilae
Omicron Aquilae is an F-type main-sequence star in the constellation Aquila, about 62.6 light-years from Earth and one of nine solar-type stars known to have produced a superflare.
OMICRON Electronics
OMICRON Electronics is an employer-affiliation entry covering Alexander Apostolov, a power-system protection engineer and Principal Engineer at OMICRON electronics in Los Angeles since September 2006.
Omicron Persei
Omicron Persei, also known as Atik, is a blue giant star of spectral type B1 III in Perseus, about 1,121 light-years from Earth. It is a spectroscopic binary with an orbital period of about 4.4 days.
Omics
Omics: umbrella term for biology disciplines measuring complete molecular classes, chiefly genomics, transcriptomics, proteomics, and metabolomics, plus derived fields like epigenomics; multi-omics integration underpins precision medicine.
OmicScouts
OmicScouts is a German contract research organization in Freising near Munich, founded in 2014 as a Technical University of Munich spin-off, specializing in proteomics for drug discovery.
Omid
Omid (امید) is the stage name of Omid Soltani, an Iranian pop singer of the Tehrangeles diaspora scene who signed with Taraneh Records in 1992.
Omid Abtahi (امید ابطحی)
Omid Abtahi (امید ابطحی), born 1979 in Tehran, is an Iranian-born American actor known as Salim in American Gods, Dr. Penn Pershing in The Mandalorian, Homes in Mockingjay Part 2, and Reza Borhani in Argo.
Omid Akbari
Omid Akbari is a cellular and molecular immunologist and professor at the Keck School of Medicine of USC, known for identifying natural killer T cells in asthma.
Omid Djalili
Omid Djalili, born 1965 in London to Iranian parents, is a British stand-up comedian and actor who broke through at the Edinburgh Fringe in 1995 and starred in The Infidel.
Omid Farokhzad
Omid Farokhzad is a physician-scientist in nanomedicine who developed targeted nanoparticles for cancer drug delivery, founded the Center for Nanomedicine at Brigham and Women's Hospital, and leads Seer, Inc.
Omid Hamid
Omid Hamid is an American medical oncologist and melanoma immunotherapy researcher at The Angeles Clinic and Cedars-Sinai in Los Angeles, an investigator in early trials of ipilimumab and pembrolizumab.
Omid Kordestani (امید کردستانی)
Omid Kordestani (امید کردستانی) is an Iranian-American technology executive who joined Google in 1999, built the advertising business that made it profitable, and served as Twitter's executive chairman from 2015.
Omid Norouzi
Omid Haji Norouzi (امید نوروزی), born 1986 in Shiraz, Iranian Greco-Roman wrestler; 2012 Olympic 60 kg gold medalist, 2011 world champion, 2014 world silver medalist, and 2010 Asian Games champion.
Omid Nouripour
Omid Nouripour, born 1975 in Tehran, is a German Green politician, Vice-President of the Bundestag since 2025 and federal co-chair of the Greens from 2022 to 2024.
Omid Scobie
Omid Scobie, British journalist and author of Finding Freedom (2020, with Carolyn Durand) and Endgame (2023), former Harper's Bazaar royal editor-at-large and Yahoo News UK royal executive editor, known for Sussex coverage and the Dutch Endgame naming controversy.
Omidubicel
Omidubicel, sold as Omisirge, is a nicotinamide-expanded cord blood cell therapy approved by the FDA in 2023 to speed neutrophil recovery and reduce infections after transplantation.
OMIE
OMIE (Operador del Mercado Ibérico de Energía) is the nominated electricity market operator for Spain and Portugal, running their day-ahead and intraday wholesale markets from Madrid as the sole designated NEMO under MIBEL.
Omiganan
Omiganan (MBI 226, CLS001) is a synthetic 12-amino-acid cationic antimicrobial peptide, an indolicidin analog from bovine neutrophils, that kills bacteria and fungi by disrupting cytoplasmic membranes and has been tested topically for catheter infections, rosacea, and dermatoses.
Omission (law)
Omission (law): a failure to act that can supply the actus reus of a crime only where a legal duty exists, from statute, contract, relationship, assumption of care, or created risk; no general duty to rescue.
Omitted-variable bias
Omitted-variable bias, also called missing variable bias, is the bias in an OLS regression coefficient when a variable that affects the outcome and correlates with an included regressor is omitted.
Omiya Park Small Zoo
Omiya Park Small Zoo (大宮公園小動物園) is a free-admission zoo in Omiya Park, Saitama City, Japan, keeping about 60 species and 300 small animals and birds since 1953.
Omkar Kapoor (ओमकार कपूर)
Omkar Kapoor (ओमकार कपूर), born 1986, is a Hindi film actor who was a popular 1990s child artist in Masoom, Judwaa, and Judaai, and returned as an adult lead in Pyaar Ka Punchnama 2 (2015) and Ufff Yeh Siyapaa (2025).
Omkara (ओमकारा) (2006 film)
Omkara (ओमकारा) is Vishal Bhardwaj's 2006 Hindi adaptation of Shakespeare's Othello set in Uttar Pradesh, starring Ajay Devgn, Kareena Kapoor, and Saif Ali Khan; it won five National Film Awards and two Filmfare Awards.