ExpertGlossary terms starting with O

1,317 terms

  1. optical system power margin See power margin.
  2. optical thickness The product of the physical thickness of an isotropic optical element and its refractive index. 2.
  3. optical time domain reflectometer (OTDR) An opto-electronic instrument used to characterize an optical fiber. Note 1: An OTDR injects a series of optical pulses into the fiber under test.
  4. optical transmittance See transmittance.
  5. optical transmitter A device that accepts an electrical signal as its input, processes this signal, and uses it to modulate an opto-electronic device, such as an LED or an…
  6. optical waveguide Any structure having the ability to guide optical energy. Note: Optical waveguides may be (a) thin-film deposits used in integrated optical circuits…
  7. optically active material A material that rotates the plane of polarization of light that passes through it.
  8. Optimization Changes made to a web page to improve the positioning of that page with one or more search engines.
  9. Optimized Disk Utilization Allows the full available capacity to be used on all drives attached to a controller, even if the drive sizes are different.
  10. Optimum moisture content, or Optimum water content The one water content (percent of dry weight of the total material) of a given soil and a given compactive effort that will result in a maximum dry…
  11. optimum traffic frequency Synonym FOT.
  12. optimum transmission frequency Synonym FOT.
  13. optimum working frequency Synonym FOT.
  14. Option Buying an option gives you the right to buy or sell a specific financial instrument at a specific price, called the strike price, during a preset period…
  15. Option premium When you buy an option, you pay the seller a nonrefundable amount, known as the option premium, for the right to exercise that option before it expires.
  16. Option value Value associated with people who know they can visit an area in the future if they so desire.
  17. optional package An optional package is a set of Java ME APIs providing services in a specific area, such as database access or multimedia.
  18. optional packages The set or sets of APIs in a Java platform edition which are available with and may be supported in a compatible implementation.
  19. Optional Topography A Personal Identity Verification (PIV) card having both the Standard Topography (Mandatory Topography) features and the Optional features as defined in…
  20. options Contracts which give the holder the right to buy (call options) or sell (put option) a fixed amount of a certain stock at a specified price within a…
  21. Options chain Options chains are charts showing all the options currently available on a particular underlying instrument.
  22. Options class An options class includes all the calls or all the puts on a single underlying instrument that share some of the same terms, such as contract size and…
  23. Options Clearing Corporation (OCC) The Options Clearing Corporation issues all exchange-listed securities options in the United States and guarantees all transactions in those options.
  24. Options series An options series includes all the contracts within an options class that have identical terms, including expiration date and strike price.
  25. opto-electronic Pertaining to any device that functions as an electrical-to-optical or optical-to-electrical transducer, or an instrument that uses such a device in its…
  26. optoelectronic See opto-electronic.
  27. optoisolator Synonym optical isolator.
  28. OPU Abbreviation for ovum pickup.
  29. OPX Abbreviation for off-premises extension.
  30. OR (1) Operations Research. (2) Operational Requirement (Navy). (3) Operational Readiness. (4) Operational Reliability.
  31. OR/SA (ORSA) Operations Research/Systems Analysis.
  32. ORACL Overtone Research Advanced Chemical Laser.
  33. ORACL HYLTE Overtone Research Advanced Chemical Laser Hypersonic Low Temperature. 214
  34. ORACLE A relational database management system to which ARC/INFO has access through the DATABASE INTEGRATOR.
  35. ORACLE HYLTE Overtone Research Advanced Chemical Laser Hypersonic Low Temperature.
  36. oral (OR-ul) By or having to do with the mouth.
  37. oral and maxillofacial surgeon A dentist who specializes in surgery of the mouth, face, and jaw.
  38. oral argument Presentation of an aspect of a case before a court by spoken argument; for example, at a motion calendar.
  39. oral cancer (OR-ul KAN-ser) Cancer that forms in tissues of the lip or mouth. This includes the front two thirds of the tongue, the upper and lower gums, the lining…
  40. oral cavity (OR-ul KA-vuh-tee) The mouth.
  41. oral contraceptive pill (OR-ul KON-truh-SEP-tiv) A pill used to prevent pregnancy. It contains hormones that block the release of eggs from the ovaries.
  42. oral history A method of gathering and preserving historical information through recorded interviews with participants in past events and ways of life
  43. Oral Hypoglycemic Agents (First and Second generation Sulfonylureas; Biguanides) Usage by Type II diabetics to lower blood glucose, but they are not insulin pills .
  44. oral surgeon A dentist with special training in surgery of the mouth and jaw.
  45. orange book Nickname name for the United States Department of Defense "Trusted Computer System Evaluation Criteria", DOD 5200.28-STD [CESG]. Also known as "TCSEC"
  46. ORB An often translucent, circular anomaly (or “ball of light”) seen in photography -- and sometimes with the naked eye -- that may be, depending on your…
  47. orbit The path, relative to a specified frame of reference, described by the center of mass of a satellite or other object in space subjected primarily to…
  48. orbit determination The process of describing the past, present, or predicted position of a satellite in terms of orbital parameters. [JP 1-02]
  49. orbital cycles variations in the Earth's orbit around the sun with periods of 23,000 (precession of the equinoxes), 41,000 (obliquity), and 100,000 years (eccentricity).
  50. Orbital Elements Any set of several parameters (e.g., semi-major axis, eccentricity, inclination, etc.) used to specify the position and motion of a satellite.
  51. Orbital Maneuvering Vehicle (OMV) NASA program to provide capability to perform satellite on-orbit servicing. Operates from shuttle and Space Station.
  52. Orbital Suborbital Program (OSP) A strategic target booster system used by the GMD Program that uses the Minuteman II booster stack.
  53. Orbiting Debris Term referring to all earth-orbiting objects except active satellites.
  54. ORC Operational Readiness Condition.
  55. ORCA Operational Requirements Continuity Assessment.
  56. orchidectomy (or-kih-DEK-toh-mee) Surgery to remove one or both testicles. Also called orchiectomy.
  57. orchiectomy (or-kee-EK-toh-mee) Surgery to remove one or both testicles. Also called orchidectomy.
  58. ORD See Operational Requirements Document.
  59. ORDALT Ordnance Alteration.
  60. Orden de allanamiento, Orden de registro Orden emitida por un tribunal al establecer motivo fundado para registrar un lugar específico en busca de un artículo o artículos particulares.
  61. Orden de desalojo o deshaucio Orden emitida cuando una sentencia ordena la transferencia de propiedad de una parte a otra.
  62. Orden de sellar o cerrar Una orden judicial que manda a cerrar un archivo de modo que quede fuera del acceso del público.
  63. Orden judicial Decreto judicial mediante el que se ordena realizar una cierta acción.
  64. Orden judicial de detención por desacato o desobediencia Una orden judicial para el arresto de un demandado o acusado quien no se ha presentado ante el tribunal de acuerdo con lo exigido.
  65. Orden Judicial de hacer o de abstenerse de un acto Orden judicial que le impone a una persona la obligación de hacer o de abstenerse de determinado acto o conducta.
  66. Orden judicial para que se Fundamente una acción o pretensión Una orden judicial a una parte para que se presente ante el tribunal y exponga las razones por las cuales una sentencia particular no debe ser dictada.
  67. Orden judicial que determina la incapacidad de un persona de pagar gastos legales Una orden judicial que determina que una persona no puede pagar los costos, honorarios y gastos…
  68. Ordenar la realización o abstención de un acto Exigirle judicialmente a una persona que se abstenga de llevar a cabo un acto o que lo realice.
  69. Order A written decision by the court (referee/judge) that something be done or not done This can range from an order that a case will be tried on a certain…
  70. Order imbalance An order imbalance occurs when there are substantially more buy orders in a particular security than there are sell orders, or the reverse.
  71. Order of Battle The identification, strength, command structure, and disposition of the personnel, units, and equipment of any military force.
  72. order of diversity The number of independently fading propagation paths or frequencies, or both, used in diversity reception.
  73. Order of Election The official action required by a governing body to hold a special election. Note that a general election must still be held even if the governing body…
  74. Order protection rule The order protection rule, part of Regulation NMS - for National Market System - adopted by the Securities and Exchange Commission (SEC) in 2005, requires…
  75. Order Wire Message A communications support function for internal control of communications elements.
  76. orderwire circuit A voice or data circuit used by technical control and maintenance personnel for coordination and control actions relative to activation, deactivation…
  77. orderwire multiplex A multiplex carrier set specifically designed for the purpose of carrying orderwire traffic, as opposed to one designed for carrying mission traffic.
  78. Ordinance A rule established by authority; may be a municipal statute of a city council, regulating such matters as zoning, building, safety, matters of…
  79. ordinary ray See birefringence.
  80. ordinary skill in the art The level of technical knowledge, experience, and expertise possessed by the run-of-the-mill or ordinary engineer, scientist, or designer in the…
  81. Ore Rock or earth containing workable quantities of a mineral or minerals of commercial value.
  82. oregovomab (oh-reh-GOH-voh-mab) A monoclonal antibody that is being studied in the treatment of ovarian cancer.
  83. ORF Abbreviation for open reading frame.
  84. organ A part of the body that performs a specific function. For example, the heart is an organ.
  85. organ culture The aseptic culture of complete living organs of animals and plants outside the body in a suitable culture medium.
  86. organellar gene Genes located on organelles outside the nucleus.
  87. organelle (OR-guh-NEL) A small structure in a cell that is surrounded by a membrane and has a specific function.
  88. Organic Derived from living organisms.
  89. Organic agriculture A concept and practice of agricultural production that focuses on production without the use of synthetic pesticides.
  90. organic baits Minnows, insects, worms, fish eggs, cut bait, cheese or similar substances.
  91. organic complex A chemically undefined compound added to nutrient media to stimulate growth, e.g. coconut milk; malt extract; yeast extract; casein hydrolysate.
  92. Organic compound An organic compound contains carbon chemically bound to hydrogen. Organic compounds often contain other elements (particularly O, N, halogens, or S).
  93. Organic compounds Chemical compounds based on carbon chains or rings and also containing hydrogen, with or without oxygen, nitrogen, and other elements.
  94. organic evolution See: evolution.
  95. Organic fertilizer Organic material such as manure or compost, applied to cropland as a source of plant nutrients.
  96. organic food (or-GA-nik …) Food produced without the use of man-made fertilizer, drugs that increase growth, or drugs that kill insects, bacteria, or other…
  97. Organic level The amount of organic matter prescribed to be left after logging.
  98. Organic Search Results Most major search engines have results that consist of paid ads and unpaid listings.
  99. organism A living thing, such as an animal, a plant, a bacterium, or a fungus.
  100. organization A collection of Exchange computers grouped into sites. [Exchange 5.5]