ExpertGlossary terms starting with R

2,379 terms

  1. Riparian Area Vegetated ecosystems along a waterbody through which energy, materials, and water pass.
  2. Riparian buffer Riparian areas that are managed to protect the aquatic and riparian ecosystem. A riparian buffer protects water quality and temperature, habitat along the…
  3. Riparian obligate species Plants or animal species found only in riparian habitats.
  4. Riparian Zone The transition zone between the water and the upland zone. Can be identified by specific types of plants and soils.
  5. Ripple In a streambed, a ripple is a small triangle-shaped elements having gentle upstream slopes and steep downstream slopes.
  6. ripple voltage In a dc voltage, the alternating component that is residually retained from rectification of ac power, or from generation and commutation. 2.
  7. Riprap A man-made stretch of rocks or material of a hard composition that usually extends above and below the shoreline, often found near dams of big…
  8. RIS Radar Instruction Set Computer.
  9. RISC Reduced Instruction Set Computers.
  10. RISCAE RISC Ada Environment.
  11. rise time In the approximation of a step function, the time required for a signal to change from a specified low value to a specified high value.
  12. risedronate (ris-ED-roe-nate) A substance that is being studied in the prevention and treatment of osteoporosis.
  13. Risk The possibility of loss; the uncertainty of future returns.
  14. risk acceptance A managerial decision to accept a certain degree of risk, usually for technical or cost reasons. [2382-pt.8]
  15. Risk Adjustment A statistical process that takes into account the underlying health status and health spending of the enrollees in an insurance plan when looking at their…
  16. risk analysis A process consisting of three components: risk assessment, risk management and risk communication performed to understand the nature of unwanted, negative…
  17. Risk Approval Authority (RAA) An individual designated by the Director, MDA who makes risk acceptance decisions.
  18. risk assessment a scientifically based process consisting of the following steps: i) hazard identification; ii) hazard characterization; iii) exposure assessment; and iv)…
  19. Risk Assessment Guidance (RAGS) Part A of RAGS describes how to conduct a site-specific baseline risk assessment. The information in Part A is necessary background for Part D.
  20. Risk Based Capital An amount of capital needed to offset losses during a ten-year period with adverse circumstances.
  21. Risk Based Pricing Fee structure used by creditors based on risks of granting credit to a borrower with a poor credit history.
  22. Risk Classifcation (See Underwriting.)
  23. risk communication The interactive exchange of information and opinions throughout the risk analysis process concerning hazards and risks, risk-related factors and risk…
  24. Risk corridor A temporary provision in the ACA that requires plans whose costs are lower than anticipated to make payments into a fund that reimburses plans whose costs…
  25. risk factor Something that may increase the chance of developing a disease. Some examples of risk factors for cancer include age, a family history of certain cancers…
  26. Risk Factor or Risk Behavior Behavior or other factor that places a person at risk for disease; for HIV/AIDS, this includes such factors as male-to-male sexual contact, injection drug…
  27. risk factors Traits that make it more likely that a person will get an illness. For example, a risk factor for getting type 2 diabetes is having a family history of…
  28. risk index [The] difference between the minimum clearance or authorization of information system (IS) users and the maximum sensitivity (e.g.
  29. risk management The process, distinct from risk assessment, of weighing policy alternatives, in consultation with all interested parties, considering risk assessment and…
  30. Risk Management Plans (RMP) Facilities are required to submit risk management plans (RMP) to EPA. Risk management plans will be available to State and local governments and citizens…
  31. Risk Mitigation Risk mitigation involves prioritizing, evaluating, and implementing the appropriate risk-reducing controls recommended from the risk assessment process.
  32. Risk of ruin The mathematical chance of losing one's entire bankroll.
  33. Risk premium A risk premium is one way to measure the risk you'd take in buying a specific investment.
  34. Risk ratio Some investors and financial analysts try to estimate the risk an investment poses by speculating on how much the investment is likely to increase in…
  35. Risk Scoring An automated way to analyze a credit report verses a manual review. It takes into account late payments, outstanding debt, credit experience, and number…
  36. Risk Tolerance The degree to which you are willing to risk losing some (or all) of your original investment in exchange for a chance to earn a higher rate of return.
  37. Risk-adjusted performance When you evaluate an investment's risk-adjusted performance, you aren't looking simply at its straight performance figures but at those figures in…
  38. Risk-free return When you buy a US Treasury bill that matures in 13 weeks, you're making a risk-free investment in the sense that there's virtually no chance of losing…
  39. RISTA Reconnaissance, Intelligence, Surveillance, and Target Acquisition.
  40. ritonavir A drug that belongs to the family of drugs called protease inhibitors. It interferes with the ability of a virus to make copies of itself.
  41. Ritual (RIH-chuh-wul) In medicine, a repeated action (such as hand washing) done to relieve feelings of fear, dread, and uneasiness.
  42. Rituxan (rih-TUK-sun) A monoclonal antibody used to treat certain types of B-cell non-Hodgkin lymphoma.
  43. rituximab (rih-TUK-sih-mab) A monoclonal antibody used to treat certain types of B-cell non-Hodgkin lymphoma.
  44. RIU Range Interface Unit.
  45. River The fifth and final community card, put out face up, by itself. Also known as "fifth street.
  46. River Basin The land area surrounding one river from its headwaters to its mouth. The area drained by a river and its tributaries.
  47. River corridor A river and the strips of land adjacent to it, including the talus slopes at the bases of cliffs, but not the cliffs themselves.
  48. River Flood Statement This product is used by the local National Weather Service Forecast Office (NWFO) to update and expand the information in the River Flood Warning.
  49. River Flood Warning This is product is issued by the local National Weather Service Forecast Office (NWFO) when forecast points (those that have formal gaging sites and…
  50. River Flooding The rise of a river to an elevation such that the river overflows its natural banks causing or threatening damage.
  51. River Forecast An internal product issued by RFCs to other NWS offices. An RVF contains stage and/ or flow forecasts for specific locations based on existing, and…
  52. River Forecast (RVF) An internal product issued by RFCs to other NWS offices. An RVF contains stage and/or flow forecasts for specific locations based on existing, and…
  53. River Forecast Center Centers that serve groups of Weather Service Forecast offices and Weather Forecast offices, in providing hydrologic guidance and is the first echelon…
  54. River Forecast Center (RFC) Centers that serve groups of Weather Forecast Offices, in providing hydrologic guidance and is the first echelon office for the preparation of river and…
  55. River Gage A device for measuring the river stage.
  56. River Gage Datum The arbitrary zero datum elevation which all stage measurements are made from.
  57. River Ice Statement A public product issued by the RFC containing narrative and numeric information on river ice conditions.
  58. River Ice Statement (RVI) A public product issued by the RFC's containing narrative and numeric information on river ice conditions.
  59. River mile (RM) A unit of measurement (in miles) used on rivers.
  60. River Observing Station An established location along a river designated for observing and measuring properties of the river.
  61. River outlet works (row) See outlet works.
  62. River Recreation Statement A statement released by the NWS to inform river users of current and forecast river and lake conditions.
  63. River Recreation Statement (RVR) A statement released by the NWS to inform river users of current and forecast river and lake conditions.
  64. River Statement A NWS product issued to communicate notable hydrologic conditions which do not involve flooding, i.e., within river bank rises, minor ice jams, etc.
  65. River Statement (RVS) A product issued to communicate notable hydrologic conditions which do not involve flooding, i.e., within river bank rises, minor ice jams, etc.
  66. River Summary (RVA) A NWS summary of river and/ or crest stages for selected forecast points along the river.
  67. River System All of the streams and channels draining a river basin.
  68. River trash wall Walls constructed to deflect heavy floating debris away from the upper ends of a fishway.
  69. riverbank The bank or banks of a river.
  70. riverbed There area or channel between the banks through which a river flows. In Arizona, there are also dry river beds.
  71. Riverine Riparian; pertaining to a riverbank.
  72. Riverine wetland Wetlands within river and stream channels, generally characterized by flowing water. Ocean-derived salinity is less than 0.5 part per thousand.
  73. RIVET JOINT Name of USAF Reconnaissance project.
  74. RIW Reliability Incentive Warranty.
  75. RJ Abbreviation for registered jack.
  76. RJE Abbreviation for remote job entry.
  77. RK-0202 A substance that is being studied in the prevention of oral mucositis in patients receiving radiation therapy or chemotherapy for head and neck cancer.
  78. RL Rome Laboratory, Griffiss Business and Technology Park, NY. (Formerly called Rome Air Development Center.)
  79. RLA Repair of Level Analysis (ILS term).
  80. RLE (Run Length Encoded) Compressed image format; supports only 256 colors; most effective on images with large areas of black or white.
  81. RLG Ring Laser Gyro.
  82. RLRIU Routing Logic Radio Interface Unit (PATRIOT).
  83. RLRIU-U Routing Logic Radio Interface Unit Upgrade (USA term).
  84. RLS Release
  85. RLS attribute Descriptive information that may be associated with a logical or target name mapping registered in a Local Replica Catalog (LRC).
  86. RLTV Relative
  87. RM Radioman (USN term). 250
  88. RM (records management) See records and information management (RIM).
  89. RMA (1) Reliability, Maintainability and Availability (see RAM) (ILS term). (2) Revolution in Military Affairs (OSD term).
  90. RMCET Resource Management Concurrent Engineering Team.
  91. RME (1) Relay Mirror Experiment (a satellite launched February 1990 and which reentered the atmosphere in May 1993). (2) Remote Multiplexer Encoder.
  92. RMI Republic of the Marshall Islands.
  93. RMI (Remote method invocation) Remote method invocation (RMI) is a feature of Java SE that enables Java objects running in one virtual machine to invoke methods of Java objects running…
  94. RMI OP (RMI Optional Package) The RMI Optional Package (RMI OP) is a subset of Java SE 1.3's RMI functionality used in CDC-based profiles that incorporate the Foundation Profile, such…
  95. RMI Profile The RMI Profile is a Java ME profile specification designed to support Java's Remote Method Invocation (RMI) distributed object system.
  96. RMI-IIOP A version of RMI implemented to use the CORBA IIOP protocol. RMI over IIOP provides interoperability with CORBA objects implemented in any language if all…
  97. RMM (ReMovable Media) IBM's tape management software product.
  98. RMN Remain
  99. RMO Reflectivity.
  100. RMP Risk Management Plan.