ExpertGlossary terms starting with S

4,972 terms

  1. STRATCOM Strategic Command.
  2. Strategic Defense All active and passive measures to detect, identify, assess, degrade and defeat ballistic missile, air, and space threats to North America, including…
  3. Strategic Defense Emergency Declarations that attack is imminent or taking place.
  4. Strategic Defense System (SDS) A generic descriptor, which refers to all architectural elements of the evolving ballistic missile defense system. 280
  5. Strategic Level of War The level of war at which a nation or group of nations determines national or alliance security objectives and develops and uses national resources to…
  6. Strategic Offensive Forces (SOF) Those forces under the command of the Commander in Chief, USSTRATCOM, the Commander in Chief, Atlantic Command, the Commander in Chief, Pacific Command…
  7. Strategic plan A written plan outlining a government agency's framework for management.
  8. Strategic Reserve That quantity of material that is placed in a particular geographic location due to strategic considerations or in anticipation of major interruptions in…
  9. Strategic Warning A warning prior to the initiation of a threatening act.
  10. Strategic Warning Lead Time That time between the receipt of strategic warning and the beginning of hostilities.
  11. Strategic Warning Post- Decision Time That time which begins after the decision, made at the highest levels of government(s) in response to strategic warning, is ordered executed and ends with…
  12. Strategic Warning Pre- Decision Time That time which begins upon receipt of strategic warning and ends when a decision is ordered executed.
  13. Strategy A plan of action.
  14. Stratification Layering of a lake, by temperature, during warmer seasons.
  15. Stratified reservoir A reservoir with several thermal layers of water.
  16. Stratiform Having extensive horizontal development, as opposed to the more vertical development characteristic of convection.
  17. Stratiform Rings and Bands These occur between the active convective bands of a hurricane outside of the eye wall.
  18. Stratigraphy Geology that deals with the origin, composition, distribution, and succession of strata. Study or description of layered or stratified rocks.
  19. Stratigraphy (stratigraphic) Layers of sediments and rocks that reflect the geologic history of an area. With respect to cultural resources and archaeological sites, the relative…
  20. Stratocumulus Low-level clouds, existing in a relatively flat layer but having individual elements. Elements often are arranged in rows, bands, or waves.
  21. Stratopause The boundary between the stratosphere and mesosphere.
  22. Stratosphere The region of the atmosphere extending from the top of the troposphere to the base of the mesosphere, an important area for monitoring stratospheric ozone.
  23. Stratospheric Ozone In the stratosphere, ozone has beneficial properties where it forms an ozone shield that prevents dangerous radiation from reaching the Earth's surface.
  24. stratum The number of a clock (in a hierarchical synchronization distribution system) that defines the quality of the clock by specifying parameters such as…
  25. Stratus A low, generally gray cloud layer with a fairly uniform base. Stratus may appear in the form of ragged patches, but otherwise does not exhibit individual…
  26. stray current Electrical current through a path other than the intended path.
  27. STREAD Standard TRE Display.
  28. stream A body of running water.
  29. Stream capacity Total volume of water that a stream can carry within the normal high water channel.
  30. Stream class Classification of streams based on the present and foreseeable uses made of the water, and the potential effects of on-site changes on downstream uses.
  31. Stream Corridor The area (containing wetlands, flood plains, woodlands, unique habitats, and steep slopes) which lies between relatively level uplands and stream banks…
  32. Stream Gage A site along a stream where the stage (water level) is read either by eye or measured with recording equipment.
  33. Stream line An imaginary line within the flow which is everywhere tangent to the velocity vector.
  34. stream mode (MODE S) The only mode normally implemented for FTP is MODE S. This is simply sending each byte, one after another over the socket in order, with no application…
  35. Stream Segment Refers to the surface waters of an approved planning area exhibiting common hydrological, natural, physical, biological, or chemical processes.
  36. stream splitting The process of delivering a unique stream to multiple clients simultaneously. Stream splitting reduces the number of requests sent across the network to…
  37. Stream terrace A remnant of a floodplain surface formed by streams as they carve downward into their floodplains.
  38. streambed The channel being occupied or formerly occupied by a stream.
  39. Streambed at the dam axis The lowest-point elevation in the streambed at the axis or centerline crest of the dam prior to construction.
  40. streamer Synonym streaming tape drive.
  41. Streamflow Discharge that occurs in a natural channel.
  42. streaming Amazon EMR: A utility that comes with Hadoop that enables you to develop MapReduce executables in languages other than Java.
  43. streaming accelerator A NetCache appliance configured to cache and split content from one or more streaming servers and provide that content to clients that request it.
  44. streaming media audio-visual content that is played as it is being downloaded. Thus, an Internet user could begin watching a video clip as the footage downloads rather…
  45. streaming media cache A NetCache appliance configured to proxy client requests for streaming media. Also known as "streaming media proxy."
  46. streaming media presentation A general term used to describe the delivery of live or on-demand streaming media. A streaming media presentation can consist of multiple unique streams.
  47. streaming server A server configured to serve streaming media to clients.
  48. streaming tape drive A magnetic tape unit capable of recording from, and dumping to, another storage medium without stopping at interblock gaps.
  49. streaming tape recording A method of recording on magnetic tape, which method maintains continuous tape motion without the requirement to start and stop within the interrecord gap.
  50. Street bet A bet that one of three particular numbers will hit on the next spin.
  51. street centerline A real or imaginary line that is equidistant from the sides (usually pavement edges) of a travel path.
  52. Street name The term used to describe securities that are held in the name of your brokerage firm but that still belong to you.
  53. Street Name Alias n alternative or abbreviated name for a street. Examples of this include MISS for Mississippi or MLK for Martin Luther King Jr.
  54. Streetscape The space between the buildings on either side of a street that defines its character.
  55. Strength The strength of a drug product tells how much of the active ingredient is present in each dosage.
  56. strength member Any component of a communication cable, metallic or optical, the function of which is to protect the transport medium, i.e.
  57. strength of mechanism 1. A measure of the effectiveness of a security mechanism to prevent a breach of the System Security policy, assuming it has been correctly implemented…
  58. streptavidin A small bacterial protein that binds with high affinity to the vitamin biotin. This streptavidin-biotin combination can be used to link molecules such as…
  59. streptozocin An anticancer drug that belongs to the family of drugs called alkylating agents.
  60. Stress The response of the body to physical, mental, or emotional pressure. This may make a person feel frustrated, angry, or anxious, and may cause unhealthy…
  61. stress protein (... PROH-teen) One of a group of proteins that help protect cells from stresses such as heat, cold, and low amounts of oxygen or glucose (sugar).
  62. stressed environment In radiocommunications, an environment that is under the influence of extrinsic factors that degrade communications integrity, such as when (a) the benign…
  63. Stressors Physical, chemical, or biological entities that can induce adverse effects on ecosystems or human health.
  64. Stretcher A masonry unit or brick laid horizontally with its length parallel to the wall.
  65. STRFM Stratiform
  66. Striation Scratch or groove in bedrock caused by rocks within a glacier grinding the earth's surface as the glacier moves.
  67. Striations Grooves or channels in cloud formations, arranged parallel to the flow of air and therefore depicting the airflow relative to the parent cloud.
  68. STRICOM Simulation, Training, and Instrumentation Command (USA term).
  69. Strict Isolation Designed to prevent transmission of highly contagious or virulent infections that may be spread by air or contact.
  70. Strict liability Concept applied by the courts in product liability cases that when a manufacturer presents his goods for public sale, it is representing that they are…
  71. Strike Strike means a labor dispute wherein employees engage in a concerted stoppage of work (including stoppage by reason of the expiration of a collective…
  72. Strike or Stricken In Housing Court, striken is used as an outcome (disposition) of cases where no one came to court, or where the case was filed, but no affidavits of…
  73. Strike price The strike price, also called the exercise price, is the price at which you as an options holder can buy or sell the stock or other financial instrument…
  74. Strike-slip fault Vertical (or nearly vertical) fractures where the blocks have mostly moved horizontally.
  75. string A series of alphanumeric characters of any length enclosed by quotes.
  76. String Bet A bet (more typically a raise) in which a player doesn't get all the chips required for the raise into the pot in one motion.
  77. string context The situation in which an expression is expected by its surroundings (the code calling it) to return a "string". See also "context" and "numeric context".
  78. string-to-sign Before you calculate an HMAC signature, you first assemble the required components in a canonical order. The pre-encrypted string is the string-to-sign.
  79. Stringcourse A narrow horizontal band of masonry, extending across the façade, which can be flush or projecting, and flat surfaced, molded, or richly carved.
  80. Stringency Reaction conditions--notably temperature, salt, and pH--that dictate the annealing of single-stranded DNA/DNA, DNA/RNA, and RNA/RNA hybrids.
  81. Stringent A strict set of rules.
  82. Stringent plasmid A plasmid that only replicates along with the main bacterial chromosome and is present as a single copy, or at most several copies, per cell. (See plasmid.
  83. stringification The process of producing a "string" representation of an abstract object.
  84. Strip cropping A crop production system that involves planting alternating strips of row crops and close-growing forage crops; the forage strips intercept and slow…
  85. Strip mining Cutting deep trenches to remove minerals such as coal and phosphate found near the earth's surface in flat or rolling terrain. See surface mining.
  86. striped bass A member of the true bass family along with white bass and yellow bass. In Arizona, they are found in the Colorado River chain of lakes such as Powell…
  87. striping When speaking about GridFTP transfers, striping refers to having multiple network endpoints at the source, destination, or both participating in the…
  88. Striping (RAID 0) Spreads data evenly over multiple drives to enhance performance. Because there is no redundancy scheme, it does not provide data protection.
  89. Stripped MBS (SMBS) Securities created by "stripping" or separating the principal and interest payments from the underlying pool of mortgages into two classes of securities…
  90. Stripping Removal of a surface layer or deposit for the purpose of excavating other material beneath it.
  91. STRIPS STRIPS, an acronym for separate trading of registered interest and principal of securities, are special issues of US Treasury zero-coupon bonds.
  92. stroke In medicine, a loss of blood flow to part of the brain, which damages brain tissue.
  93. stroke edge In character recognition, the line of discontinuity between a side of a stroke and the background, obtained by averaging, over the length of the stroke…
  94. stroke speed In facsimile systems, the rate at which a fixed line perpendicular to the direction of scanning is crossed in one direction by a scanning or recording…
  95. stroke width In character recognition, the distance between the two edges of a stroke, measured perpendicular to the stroke centerline.
  96. Stroma (stro' mah) the supporting tissue or matrix of an organ; as distinguished from the functional part of the organ.
  97. Stromagen (stroh-MUH-jen) A product that is made of special stem cells taken from a patient's bone marrow and grown in the laboratory.
  98. Stromal Relating to the stroma of an organ or other structure, that is, its framework, usually of connective tissue, rather than its specific substance.
  99. Stromal cell (STROH-mul SEL) A type of cell that makes up certain types of connective tissue (supporting tissue that surrounds other tissues and organs).
  100. Stromal cells Non-blood cells derived from blood organs, such as bone marrow or fetal liver, which are capable of supporting growth of blood cells in vitro.