ExpertGlossary terms starting with O

1,317 terms

  1. OGE 450 Filer Persons required to file the OGE Form 450 (Confidential Financial Disclosure report) under the authority of the Ethics in Government Act of 1978, as…
  2. Ogee A reverse curve, shaped like an elongated letter S. The downstream faces of overflow dams are often made to this shape. (From the French word Ogive).
  3. Ogee crest The shape of the concrete spillway crest that represents the lower profile of the undernappe of a jet of water flowing over a sharp-crested weir at a…
  4. OGF Opioid growth factor. A substance made by the body and in the laboratory. It is being studied in the treatment of cancer.
  5. OGSA (Open Grid Services Architecture) The Open Grid Services Architecture is a standard setting the base for communication in grids across virtual organizations.
  6. OGX-011 A substance that is being studied as a treatment for cancer. It belongs to the family of drugs called antisense oligonucleotides.
  7. OH The Office of Hydrology, located in Silver Springs, MD.
  8. OHD Overhead
  9. OHIM Office for Harmonization in the Internal Market
  10. Ohm The unit of electrical resistance to current flow. The resistance in a conductor in which one volt of potential difference produces a current of one…
  11. Ohm's Law In a given electrical circuit, the amount of current in amperes (i) is equal to the pressure in volts (V) divided by the resistance, in ohms (R).
  12. Ohms A measure of the electrical resistance of a material equal to the resistance of a circuit in which the potential difference of 1 volt produces a current…
  13. OHR Office of Human Resources
  14. OI Operating Instruction.
  15. OIG see IG
  16. OIIP Office of Independent Inventors Programs (prior), now part of the Inventors Assistance Center -- see Inventors Resources for more
  17. Oil Defined as oil of any kind or in any form including, but not limited to, petroleum, fuel oil, sludge, oil refuse, and oil mixed with wastes.
  18. Oil (fuel) A product of crude oil that is used for space heating, diesel engines, and electrical generation.
  19. Oil and gas leasing (on BLM land) The BLM leases oil and gas rights to explore for and produce oil and gas resources from federal lands or mineral rights owned by the federal government.
  20. Oil Pollution Act (OPA) The Oil Pollution Act (OPA) was signed into law in August 1990, largely in response to rising public concern following the Exxon Valdez incident.
  21. Oil pump This device pumps oil to lubricate all moving engine parts.
  22. Oil shale Underground formation of a fine-grained sedimentary rock containing varying amounts of kerogen, a solid, waxy mixture of hydrocarbon compounds.
  23. Oil spill contingency fund A revolving fund for spill control efforts has been authorized in cases where the Federal government has taken over containment and cleanup operations.
  24. ointment (OYNT-munt) A substance used on the skin to soothe or heal wounds, burns, rashes, scrapes, or other skin problems. Also called unguent.
  25. OIPE Office of Initial Patent Examination
  26. OIPT Overarching Integrated Product (Process) Team.
  27. OIS Orbital Insertion Stage.
  28. OIW Offensive Information Warfare.
  29. OJCS Office of the Joint Chiefs of Staff.
  30. OJP EIN Number/Vendor Number This is your agency's nine-digit Federal tax identification number assigned to you by the IRS.
  31. OJT On-the-Job Training.
  32. Okazaki fragment Replicated DNA fragments formed on the lagging strand in DNA synthesis from a double-stranded template.
  33. Okta Used for the measurement of total cloud cover. One okta of cloud cover is the equivalent of 1/8 of the sky covered with cloud.
  34. OLA Abbreviation for oligonucleotide ligation assay.
  35. olanzapine (oh-LAN-zuh-peen) A drug used to treat certain mental disorders. It is also being studied in the treatment of nausea and vomiting caused by some cancer…
  36. OLC 2 Operational Level Command and Control.
  37. Old Application An application that, having been acted on by an Examiner, has, in turn, been acted on by the applicant. MPEP 203.03.
  38. Old growth Timber stands with the following characteristics: large mature and over-mature trees in the overstory, snags, dead and decaying logs on the ground and a…
  39. OLE Object Linking and Embedding. A feature in Microsofts Windows which allows each section of a compound document to call up its own editing tools or special…
  40. OLE DB See definition for: Object Linking and Embedding Data Base
  41. olfaction (ol-FAK-shun) The sense of smell.
  42. olfactory (ol-FAK-tuh-ree) Having to do with the sense of smell.
  43. Olfactory bulb A part of the brain involved in detecting and discriminating among different smells.
  44. olfactory system (ol-FAK-tuh-ree SIS-tem) The parts of the body involved in sensing smell, including the nose and many parts of the brain.
  45. olfactory transduction (ol-FAK-tuh-ree tranz-DUK-shun) A series of events in which cells in the nose bind to scent-bearing molecules and send electrical signals to the brain…
  46. OLIA (superceded) Office for Legislative and International Affairs - currently known as Administrator for External Affairs, comprised of Office of International Relations…
  47. oligarchically synchronized network A synchronized network in which the timing of all clocks is controlled by a selected few clocks.
  48. Oligo Oligonucleotide, short sequence of single-stranded DNA or RNA. Oligos are often used as probes for detecting complementary DNA or RNA because they bind…
  49. oligoastrocytoma (AH-lih-goh-AS-troh-sy-TOH-muh) A brain tumor that forms from both oligodendrocytes and astrocytes, which are types of glial cells (cells that cover and…
  50. Oligodendrocyte (AH-lih-goh-DEN-droh-site) A cell that forms the myelin sheath (a layer that covers and protects nerve cells) in the brain and spinal cord.
  51. oligodendroglial tumor (AH-lih-goh-den-DROH-glee-ul TOO-mer) A rare, slow-growing tumor that begins in oligodendrocytes (cells that cover and protect nerve cells in the brain…
  52. oligodendroglioma (AH-lih-goh-DEN-droh-glee-OH-muh) A rare, slow-growing tumor that begins in oligodendrocytes (cells that cover and protect nerve cells in the brain and…
  53. oligofructose-enriched inulin (AH-lih-goh-FROOK-tose en-RICHT IN-yoo-lin) A substance that is used to improve the health of the digestive system and bones and is being studied in the…
  54. Oligogenic A phenotypic trait produced by two or more genes working together. See also: polygenic disorder
  55. oligomer A molecule formed by the covalent joining of a small (undefined) number of monomers . See: polymer.
  56. Oligonucleotide A DNA polymer composed of only a few nucleotides. (See Nucleotide.)
  57. oligonucleotide ligation assay (Abbreviation: OLA). A diagnostic technique for determining the presence or absence of a single nucleotide polymorphism within a sequence, often…
  58. oligonucleotide-directed mutagenesis See: site-specific mutagenesis.
  59. oligonucleotide-directed site-specific mutagenesis See: site-specific mutagenesis.
  60. Oligopotent progenitor cells Progenitor cells that can produce more than one type of mature cell. An example is the myeloid progenitor cell which can give rise to mature blood cells…
  61. oligosaccharide Carbohydrate consisting of several linked monosaccharide units.
  62. Oligotrophic Lake classification used to describe young bodies of water characterized by deep, clear, cold, weedless water that can support fish, such as trout.
  63. OLR Outgoing Longwave Radiation
  64. OLS Operational Line Scan System.
  65. OLSP Operational Logistics Support Plan (Navy term). 209
  66. oltipraz A drug used in cancer prevention.
  67. OLTP (Online Transaction Processing) Programs that manage the real-time processing of SQL transactions.
  68. OM Operating (Operations) Manual.
  69. OMA Office of Military Application (US).
  70. OMB Office of Management and Budget, a branch of The Executive Office of the President -- see OMB for more
  71. OMC Operations and Maintenance Contractor.
  72. Omega A term used to describe vertical motion in the atmosphere. The "omega equation" used in numerical weather models is composed of two terms, the…
  73. Omega High A warm high aloft which has become displaced and is on the polarward side of the jet stream.
  74. Omega, Ω The ratio of the average total density of matter to the critical density required to make the universe flat and eventually stop its expansion.
  75. omega-3 fatty acid (oh-MAY-guh-3 ...) A type of fat obtained in the diet and involved in immunity.
  76. omentectomy (oh-men-TEK-toh-mee) Surgery to remove part or all of the omentum.
  77. omentum (oh-MEN-tum) A fold of the peritoneum (the thin tissue that lines the abdomen) that surrounds the stomach and other organs in the abdomen.
  78. omeprazole A drug that inhibits gastric acid secretion.
  79. OMG Operational Maneuver Group.
  80. OMI Operations Maintenance and Integration.
  81. OML An Operations Manual Letter. These serve as updates to policy and procedure for the NWService Operations Manual (WSOM).
  82. Ommaya reservoir (o-MY-a REZ-er-vwahr) A device surgically placed under the scalp and used to deliver anticancer drugs to the fluid surrounding the brain and spinal cord.
  83. OMNCS Office of the Manager, National Communications System.
  84. omnidirectional antenna An antenna that has a radiation pattern that is nondirectional in azimuth. Note: The vertical radiation pattern may be of any shape.
  85. omnidirectional range station A radionavigation land station in the aeronautical radionavigation service providing direct indication of the bearing (omnibearing) of that station from…
  86. Omnivore Animal that eats both vegetable and animal substances.
  87. OMSCWG Operational Message Space Command Working Group.
  88. OMT Other Military Targets.
  89. OMU Orbital Maneuvering Unit.
  90. OMV Orbital Maneuvering Vehicle.
  91. ON Optic Needle.
  92. ON 01910.Na A substance being studied in the treatment of cancer. It blocks certain proteins that are needed for cell growth and may kill cancer cells. ON 01910.
  93. On a person's own recognizance Release of a person from custody without the payment of any bail or posting of bond, upon the promise of the party to return to court.
  94. on demand One of the primary advantages of using the cloud is the ability to access resources as you need them, including processing power, of memory, network…
  95. On Demand Business IBM marketing term that denotes a company whose business processes - integrated end-to-end across the company and with key partners, suppliers and…
  96. On Sale See Offer to Sell.
  97. On the Square A game that is honest.
  98. on-board communication station A low-powered mobile station in the maritime mobile service intended for use for internal communications on board a ship, or between a ship and its…
  99. On-Card Refers to data that is stored within the PIV card or computation that is done by the ICC of the PIV card.
  100. on-demand computing providing computing resources to meet business demands on an as needed basis.