ExpertGlossary terms starting with L

1,745 terms

  1. Lapped traffic Cars that have completed at least one full lap less than the race leader.
  2. Lapse Termination of a policy due to non-payment of premiums.
  3. Lapse Date The date when a patent is no longer enforceable in a jurisdiction due to a failure to pay renewal (maintenance) fees.
  4. Lapse Rate The rate of change of an atmospheric variable, usually temperature, with height.
  5. Lapsed gift A gift made in a will to a person who has died prior to the will-maker's death.
  6. Lapsed Policy A policy that has terminated for non-payment of premiums.
  7. LARC Langley Research Center, Hampton, VA. 162
  8. LARC (Limited Automatic Report Collector) An electronic device that interfaces a river or precipitation gage with a telephone line making it possible for remote computers to call a gaging site and…
  9. Larceny Obtaining property by fraud or deceit.
  10. large cell cancer A type of non-small cell lung cancer where the cancer cells are large and abnormal.
  11. large cell carcinoma (...KAR-sih-NOH-muh) Lung cancer in which the cells are large and look abnormal when viewed under a microscope.
  12. Large entity Any entity with gross receipts greater than $10 million during the year the reportable transaction occurs or in the preceding taxable year.
  13. large granular lymphocyte A type of white blood cell that contains granules with enzymes that can kill tumor cells or microbial cells. Also called natural killer cell and NK cell.
  14. Large Group Health Plan In general, a group health plan that covers employees of an employer that has 101 or more employees.
  15. large intestine The long, tube-like organ that is connected to the small intestine at one end and the anus at the other.
  16. Large Marine Ecosystems Regions of ocean space encompassing coastal areas from the river basins and estuaries out to the seaward boundary and continental shelves and to the…
  17. Large Optics The technology of constructing and employing mirrors over 1 m aperture to direct and control high power beam weapons/systems with large coverage, or to…
  18. large prime factors Specially constructed large prime numbers, viz., p1, p2, q1, and q2, each > 2100, where p1|p-1, p2|p+1, q1|q-1, and q2|q+1, where p and q are the private…
  19. Large Scale (Synoptic Scale) Size scale referring generally to weather systems with horizontal dimensions of several hundred miles or more.
  20. Large Scale Structure Galaxies, galaxy clusters, and galaxy superclusters.
  21. Large woody debris Dead woody material greater than 20" in diameter on the ground or in a stream or river. It may consist of logs, trees, or parts of trees.
  22. Large-capitalization (large-cap) stock The stock of companies with market capitalizations of $10 billion or more is known as large-cap stock.
  23. Large-scale atmospheric processes Large-scale atmospheric processes (circulation) Atmospheric processes with a representative scale (large-scale) of 10 000 km.
  24. Largemouth bass Common name for Micropterus salmoides (Lacepede), also called "trout," "green trout," "bass," and other names.
  25. Lariam Brand name of mefloquine, a drug used against malaria for both prevention and treatment.
  26. larva Refers to the subsurface stage of development of an aquatic insect.
  27. Larvae An immature stage of a developing mosquito. Mosquito larvae are wingless and develop in water.
  28. Larval fish An immature stage that develops from the fertilized egg before assuming the characteristics of the adult.
  29. laryngeal (luh-RIN-jee-ul) Having to do with the larynx.
  30. laryngeal cancer (luh-RIN-jee-ul KAN-ser) Cancer that forms in tissues of the larynx (area of the throat that contains the vocal cords and is used for breathing…
  31. laryngectomee (lair-in-JEK-toe-mee) A person whose larynx (voice box) has been removed.
  32. laryngectomy (LA-rin-JEK-toh-mee) An operation to remove all or part of the larynx (voice box).
  33. laryngitis Inflammation of the larynx.
  34. laryngoscope (luh-RING-goh-SKOPE) A thin, tube-like instrument used to examine the larynx (voice box).
  35. laryngoscopy (LAIR-in-GOSS-kuh-pee) Examination of the larynx (voice box) with a mirror (indirect laryngoscopy) or with a laryngoscope (direct laryngoscopy).
  36. larynx (LAYR-inks) The area of the throat containing the vocal cords and used for breathing, swallowing, and talking. Also called voice box.
  37. Las Vegas strip rules The rules most commonly used on the Las Vegas strip, as opposed to Downtown Las Vegas.
  38. LASA Large Aperture Seismic Array.
  39. Lasant A material that can be stimulated to produce laser light. Many materials can be used as lasants ; these can be in solid, liquid, or gaseous form…
  40. LASE LIDAR Acquisition and Sizing Experiment.
  41. laser (LAY-zer) A device that concentrates light into an intense, narrow beam used to cut or destroy tissue.
  42. laser acupuncture (LAY-zer AK-yoo-PUNK-cher) The use of a low-level laser beam instead of an acupuncture needle to stimulate an acupuncture point.
  43. laser chirp An abrupt change of the center wavelength of a laser, caused by laser instability.
  44. Laser Designator A device that emits a beam of laser energy to mark a specific place or object.
  45. Laser Detection and Ranging (LADAR) A technique analogous to radar, but which uses laser light rather than radio or microwaves.
  46. laser diode Synonym injection laser diode.
  47. Laser Disc Same as an optical CD, except 12 in diameter.
  48. laser disk See optical disk.
  49. Laser Guided Weapon A weapon that uses a seeker to detect laser energy reflected from a laser marker/designated target and, through signal processing, provides guidance…
  50. Laser Imaging Detection and Ranging (LIDAR) An optical remote sensing technology which measures properties of scattered light to find range and/or other information of a distant target.
  51. Laser Imaging Radar A technology whereby a laser beam can be used in a way similar to the use of a radar beam to produce a high-quality image of an object.
  52. laser intelligence (LASINT) Technical and geolocation intelligence derived from laser systems; a subcategory of electro-optical intelligence. [JP 1-02]
  53. laser medium Synonym active laser medium.
  54. Laser Optics Technology associated with the use and control of laser beams with flux greater than 1 watt/cm2.
  55. Laser Printing A beam of light hits an electrically charged drum and causes a discharge at that point. Toner is then applied which sticks to the non-charged areas.
  56. Laser Seeker A device based on a direction sensitive receiver that detects the energy reflected from a laser designated target and defines the direction of the target…
  57. laser surgery A surgical procedure that uses the cutting power of a laser beam to make bloodless cuts in tissue or to remove a surface lesion such as a tumor.
  58. Laser Target Designating System A system that is used to direct (aim or point) laser energy at a target. The system consists of the laser designator or laser target marker with its…
  59. laser therapy (LAY-zer THAYR-uh-pee) The use of an intensely powerful beam of light to kill cancer cells.
  60. Laser Tracker A device that locks on to the reflected energy from a laser marked/designated and defines the direction of the target relative to itself.
  61. Laser Weapons Devices, such as photon generators, which produce a narrow beam of coherent radiated power greater than 1 MW.
  62. LASERCOM Laser Communications.
  63. Lash/Seabee Barge Is defined as a barge, usually flat-bottomed and rectangular in structure, designed to be lightered aboard a mother ship.
  64. Lashing A rope or wire that is used to secure two barges together.
  65. lasing See laser.
  66. lasing threshold The lowest excitation level at which laser output is dominated by stimulated emission rather than by spontaneous emission.
  67. LASINT Acronym for laser intelligence.
  68. Laspeyres See Laspeyres price index
  69. Laspeyres price index A fixed-weighted price index that is computed as the sum of base-period quantities valued at current-period prices divided by the sum of base-period…
  70. lassitude (LA-sih-tood) A feeling of tiredness, weakness, and lack of interest in daily activities.
  71. last number redial Synonym automatic redial.
  72. Last Scattering Surface The farthest back in the history of the universe that photons could travel freely.
  73. Last trading day The last trading day is the final day on which an order to buy or sell an options contract or futures contract can be executed.
  74. Last Update The time and date in which the forecast was issued or updated. The forecast may be updated at any time as weather conditions warrant.
  75. last-in first-out (LIFO) A queuing discipline in which entities in a queue leave in the reverse order of the sequence in which they arrive.
  76. Lasting For purposes of national system natural heritage and cultural heritage MPAs, the site's authority must clearly state its intent to provide permanent…
  77. LAT Latitude- The location north or south in reference to the equator, which is designated at zero (0) degrees.
  78. LATA Acronym for local access and transport area.
  79. Late Archaic The period 3,000 to 1,500 years B.P.
  80. Late Charge The fee charged for delinquent payment on an installment loan, usually expressed as a percentage of the loan balance or payment.
  81. late effects Side effects of cancer treatment that appear months or years after treatment has ended.
  82. Late payment A late payment is your failure to make at least the minimum payment so that it reaches us by or before the time and due date on your bill.
  83. Late Payment Charges The penalty the homeowner must pay when a mortgage payment is made after the due date grace period.
  84. Late Return This is when the plaintiff does not return to the court, at least three days before the hearing, proof of proper service.
  85. Late seral species Shade tolerant species, primarily vine maple shrubs and western red cedar and western hemlock trees.
  86. Late seral treatment A treatment in which late seral species will be established after thinning.
  87. Late Surrender An optional rule where the player can surrender after seeing the dealer's hole card.
  88. Late-payment fee A fee charged if your payment is received after the due date.
  89. late-stage cancer A term used to describe cancer that is far along in its growth, and has spread to the lymph nodes or other places in the body.
  90. Late-successional forest Forest seral stages which include mature and old- growth age classes.
  91. Late-successional reserve An area of forest where the management objective is to protect and enhance conditions of late successional and old-growth forest ecosystems.
  92. Latency The time it takes to read a disc (or jukebox), including the time to physically position the media under the read/write head, seek the correct address and…
  93. latent Describes a condition that is present but not active or causing symptoms.
  94. latent agent A pathogen, usually a virus, present in a host organism without producing any symptoms.
  95. latent bud An inactive bud not held back by rest or dormant period, but which may start growth if stimulated.
  96. Latent Cooling Load The load created by moisture in the air, including from outside air infiltration and that from indoor sources such as occupants, plants, cooking…
  97. Latent Data Latent or ambient data are deleted files and other data that are inaccessible without specialized forensic tools and techniques.
  98. Latent Diabetes (Chemical Diabetes) A mild form of diabetes mellitus in which the person displays no overt symptoms, but displays certain abnormal responses to diagnostic…
  99. Latent Fingerprint A fingerprint "image" left on a surface that was touched by an individual. The transferred impression is left by the surface contact with the friction…
  100. Latent Heat The change in heat content that occurs with a change in phase and without change in temperature.