ExpertGlossary terms starting with U

800 terms

  1. Unload-reload cycle A loading sequence resulting in rebound and recompression.
  2. Unmanned Aerospace Vehicle (UAV) Program A U.S. Department of Energy program that uses an unmanned aerospace vehicle and occupied aircraft to make key climate measurements that cannot be made my…
  3. Unmerchantable wood Material which is unsuitable for conversion to wood products due to poor size, form, or quality.
  4. Unmet Need The unmet need for primary health services among individuals who know their HIV status but are not receiving primary health care.
  5. unmount To make the file system on a particular device inaccessible by detaching it from the file hierarchy.
  6. unnamed package All classes defined in files without a package declaration are placed in the unnamed package.
  7. unnumbered command In a data transmission, a command that does not contain sequence numbers in the control field.
  8. unnumbered information (UI) frame A frame used to transfer unacknowledged information between two link layer entities. The format and encoding are the same as specified in Recommendation 0.
  9. unnumbered response In data transmission, a response that does not contain sequence numbers in the control field.
  10. Unobvious The state of a claimed invention's not being obvious to a person having ordinary skill in the art to which the invention pertains. Also called non-obvious.
  11. unorganized growth In vitro formation of tissues with few differentiated cell types and no recognizable structure; typical structure of calli formed in tissue culture.
  12. Unpaid Federal investment A year-end amount owned to the Treasury which remains to be repaid and is synonymous to "balance to be repaid."
  13. Unpaid Principal Balance (UPB) amount of a loan that is due to the lender. This does not include additional charges, such as interest.
  14. unpark A function performed by the network if a call remains parked longer than a predesignated time limit, or if the parked party disconnects. [T1.653-1996]
  15. unparsed entity A general entity that contains something other than XML. By its nature, an unparsed entity contains binary data.
  16. unpatentable Descriptive of an invention not involving sufficient departure from what was known before in the art or that for some other reason is not the proper…
  17. unprivileged subject A subject without appropriate privileges to perform an operation [POSIX.6].
  18. Unreachable queue A persistent queue that contains messages that cannot be routed to their destinations.
  19. Unrealized gain If you own an investment that has increased in value, your gain is unrealized until you sell and take your profit.
  20. Unrealized Gain (Loss) A profit (loss) that has not been realized through the sale of a security. The gain (loss) is realized when a security or futures contract is actually…
  21. Unrealized loss If the market price of a security you own drops below the amount you paid for it, you have an unrealized loss.
  22. Unreasonable Experimentation See Undue Experimentation.
  23. unresectable Unable to be removed with surgery.
  24. unresectable gallbladder cancer Cancer that has spread to the tissues around the gallbladder (such as the liver, stomach, pancreas, intestine, or lymph nodes in the area) and cannot be…
  25. unresected Describes an organ, tissue, or cancer that has not been either partly or completely removed by surgery.
  26. Unresolved Objects Objects so closely spaced with respect to the sensor focal plane as to be indistinguishable from a single object.
  27. Unrest (episode) Usually non-eruptive volcanic activity (e.g., ground deformation, steam plumes, degassing) that may be interpreted as a precursor to an eruption.
  28. Unsatisfied judgment fund A special fund which, subject to several restrictions, pays individuals for bodily injury arising out of the use of a motor vehicle for their damages if…
  29. Unsaturated zone The subsurface zone, usually starting at the land surface and ending at the water table, that includes both water and air in spaces between rocks.
  30. UNSBL Unseasonable
  31. UNSC United Nations Security Council.
  32. unscheduled debt A debt that should have been listed by the debtor in the schedules filed with the court but was not.
  33. unscheduled records Records for which no retention period ("schedule") has yet been determined
  34. unseal For BitLocker Drive Encryption, the process that a Trusted Platform Module (TPM) uses to decrypt data in a sealed binary large object (BLOB) to reveal the…
  35. unsealed internal radiation therapy (...RAY-dee-AY-shun THAYR-uh-pee) Radiation therapy given by injecting a radioactive substance into the bloodstream or a body cavity, or by swallowing it.
  36. UnSecEnergy Under Secretary of Energy.
  37. Unsecured bond When a bond isn't backed by collateral or security of some kind, such as a mortgage, that can be used to repay the bondholders if the bond issuer…
  38. unsecured claim A claim or debt for which a creditor holds no special assurance of payment, such as a mortgage or lien; a debt for which credit was extended based solely…
  39. unsecured creditor A creditor without security for the debt.
  40. Unsecured debts In bankruptcy, debts such as open accounts at department stores for which the debtor has not pledged collateral to guarantee payment.
  41. Unsecured Loan A loan that is not backed by collateral.
  42. Unsettled In meteorological use: A colloquial term used to describe a condition in the atmosphere conducive to precipitation.
  43. unshielded twisted pair (UTP) A type of wire generally used for telephone and network cabling.
  44. Unsigned data Data included in an authentication token, in addition to a digital signature.
  45. Unstable Air Air that is able to rise easily, and has the potential to produce clouds, rain, and thunderstorms.
  46. Unstable slopes Slopes considered unstable due to their incline (or critical angle of repose), applied to slopes made of unconsolidated material.
  47. UNSTBL Unstable
  48. Unsteady flow The velocity at a point varies with time.
  49. Unstructured Data data that is not in a delimited format. File types include word processing files, html files (web pages), project plans, presentation files, spreadsheets…
  50. unstructured text Text for which no internal structure is defined and is unambiguously understood by a typical user [POSIX.6].
  51. unsuccessful call Synonym unsuccessful call attempt.
  52. unsuccessful call attempt A call attempt that does not result in the establishment of a connection. Synonym unsuccessful call.
  53. Unsuitable areas Areas not appropriate for timber harvest due to fragile or shallow soils, scenic values, special wildlife habitat areas, and riparian or wetland values…
  54. Unsuitable material Those soils that cannot be compacted in embankment or backfill or where excavated to finished grade result in unstable material.
  55. Unsupervised clustering Unsupervised clustering provides grouping of related documents on the basis of their content without referring to a taxonomy; it creates a…
  56. untrusted process [A] Process that has not been evaluated or examined for adherence to the security policy.
  57. unused character Synonym illegal character.
  58. Unvented Heater A combustion heating appliance that vents the combustion by-products directly into the heated space.
  59. unwanted current With respect to telecommunications plant, any current that is not intentionally supplied from the central office or from telephone equipment. [After T1.
  60. unwanted voltage With respect to telecommunications plant, any voltage that is not intentionally supplied from the central office or from telephone equipment. [After T1.
  61. Unwatering As opposed to dewatering, unwatering is the interception and removal of ground water outside of excavations and the removal of ponded or flowing surface…
  62. UOC Usable on Code (ILS term).
  63. UOES See User Operational Evaluation System.
  64. Up card this is the face up card.
  65. Up Front Charges The fees charged to homeowners by the lender at the time of closing a mortgage loan. This includes points, broker's fees, insurance, and other charges.
  66. up-converter A device that translates frequencies from lower to higher frequencies.
  67. Up-valley Wind A diurnal thermally driven flow directed up a valley's axis, usually occurring during daytime; part of the along-valley wind system.
  68. Upbound Traffic that moves in an upstream direction. For waterways without a characteristic monodirectional flow (e.g.
  69. Upcard A face up card.
  70. upcast A cast towards an object's ultimate super type - that is, `up' the inheritance hierarchy towards the Object class, for instance // Upcast from…
  71. UPD Unconventional Passive Discrimination.
  72. update The process through which search crawls content and compiles an index of the content.
  73. Update (a Certificate) The act or process by which data items bound in an existing public key certificate, especially authorizations granted to the subject, are changed by…
  74. update site The standard Eclipse directory containing feature and plug-in JAR files and the site index.
  75. updating [In INFOSEC, an] automatic or manual cryptographic process that irreversibly modifies the state of a COMSEC key, equipment, device, or system. [INFOSEC-99]
  76. Updraft A small-scale current of rising air. If the air is sufficiently moist, then the moisture condenses to become a cumulus cloud or an individual tower of a…
  77. Upgrade new or better version of some hardware or software.
  78. Upgrade a Petition If you naturalize (become a U.S. citizen) you may ask to change the petitions you filed for family members when you were a lawful permanent resident (LPR)…
  79. uphold The decision of an appellate court not to reverse a lower court decision. Also called “affirm.”
  80. Upland The portion of the landscape above the valley floor or stream.
  81. Uplift Charges from an RTO/ISO collected outside of the market-clearing commodity price; these charges can include payments to reliability must run (RMR) units…
  82. Uplift pressure See pore-water pressure.
  83. Uplighting Light directed upward at greater than 90° above nadir, generally upward into the sky.
  84. uplink (U/L) 1. The portion of a communications link used for the transmission of signals from an Earth terminal to a satellite or to an airborne platform.
  85. Upload To send a file from one computer to another via modem, network, or serial cable.
  86. UPN User Principal Name, composed of the username along with a global forest root name. Ex.: name.surname@tandt.com
  87. Upper air observation Upper air observation An observation made in the free atmosphere either directly or indirectly.
  88. Upper atmosphere Upper atmosphere The general term applied to the atmosphere above the mesopause.
  89. upper endoscopy (...en-DOSS-koh-pee) Examination of the inside of the stomach using an endoscope, passed through the mouth and esophagus.
  90. upper GI series A series of x-rays of the esophagus. The x-ray pictures are taken after the person drinks a solution that contains barium.
  91. Upper Level In weather observing, the term applies to the portion of the atmosphere that is above the lower troposphere, generally 850 hPa and above.
  92. Upper Level Disturbance A disturbance in the upper atmospheric flow pattern which is usually associated with clouds and precipitation.
  93. Upper Level System A general term for any large-scale or mesoscale disturbance capable of producing upward motion (lift) in the middle or upper parts of the atmosphere.
  94. Upper-air sounding An upper-air observation of the vertical profile of an atmospheric variable such as temperature or wind.
  95. Upper-air Weather Chart Weather maps that are produced for the portion of the atmosphere above the lower troposphere, generally at and above 850 mb.
  96. UPR Utility, Plant, and Reissue -- see patent for more
  97. Uprate An increase of greater than 15 percent in powerplant unit output at an existing facility through modifications or replacement of equipment.
  98. upright position Synonym erect position.
  99. UPS Uninterruptible Power Source.
  100. Upslope Flow Same as Orographic Lifting; air that flows toward higher terrain, and hence is forced to rise.