ExpertGlossary terms starting with A

3,515 terms

  1. amplitude distortion Distortion occurring in a system, subsystem, or device when the output amplitude is not a linear function of the input amplitude under specified…
  2. amplitude equalizer A corrective network that is designed to modify the amplitude characteristics of a circuit or system over a desired frequency range.
  3. amplitude hit See hit.
  4. amplitude intensity modulation (AIM) Deprecated term. See intensity modulation.
  5. amplitude keying Keying in which the amplitude of a signal is varied among the members of a set of discrete values.
  6. amplitude modulation (AM) Modulation in which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal.
  7. amplitude modulation equivalent (AME) Synonym compatible sideband transmission.
  8. amplitude-vs.-frequency distortion Distortion in a transmission system caused by nonuniform attenuation, or gain, in the system with respect to frequency under specified operating…
  9. ampometric See: electrochemical sensor
  10. AMPS Abbreviation for automatic message processing system.
  11. AMPS (Advanced Mobile Phone Service) Advanced Mobile Phone Service (AMPS) is a first-generation analog, circuit-switched cellular phone network.
  12. ampulla A sac-like enlargement of a canal or duct.
  13. ampulla of Vater An enlargement of the ducts from the liver and pancreas at the point where they enter the small intestine.
  14. ampulla of Vater cancer (am-PUH-luh ... VAH-ter KAN-ser) Cancer that forms in the ampulla of Vater (an enlargement of the ducts from the liver and pancreas where they join and…
  15. ampullary cancer (am-PUH-layr-ee KAN-ser) Cancer that forms in the ampulla of Vater (an enlargement of the ducts from the liver and pancreas where they join and enter the…
  16. amputation (am-pyoo-TAY-shun) Surgery to remove part or all of a limb or appendage.
  17. AMR acquisition management review.
  18. AMRAAM Advanced Medium Range Air-to-Air Missile.
  19. amrubicin (am-ROO-bih-sin) A substance being studied in the treatment of lung cancer. It is a type of anthracycline analog.
  20. AMS 1. Air Mass - a body of air covering a relatively wide area and exhibiting horizontally uniform properties. 2. American Meteorological Society
  21. AMSAA Army Materiel Systems Analysis Agency.
  22. amsacrine An anticancer drug that belongs to the family of drugs called topoisomerase inhibitors.
  23. AMSDL Acquisition Management System Data Requirements Control List.
  24. AMT Amount
  25. AMTB Attack Management Test Bed
  26. AMTL Army Materials Technology Laboratory.
  27. AMTS Abbreviation for automated maritime telecommunications system.
  28. amur A member of the carp family found in China's Amur River. Commonly called a white amur or grass carp.
  29. AMVER Automated Mutual Assistance Vessel Rescue System. A system operated by the U.S.
  30. AMVER/SEAS A software program created by the National Weather Service intended to efficiently generate AMVER and VOS reports as part of a cooperative effort.
  31. AMWUA Arizona Municipal Water Users Association.
  32. amygdalin (uh-MIG-duh-lin) A substance found in the pits of many fruits such as apricots and papayas, and in other foods.
  33. amylase (AM-il-aze) An enzyme that helps the body digest starches.
  34. amyloidosis (am-a-loy-DOE-sis) A group of diseases in which protein is deposited in specific organs (localized amyloidosis) or throughout the body (systemic…
  35. amylolytic The capability of enzymatically degrading starch into sugars.
  36. amylopectin A polysaccharide comprising highly branched chains of glucose residues. The water-insoluble portion of starch.
  37. amylose A polysaccharide consisting of linear chains of 100-1000 glucose residues. The water-soluble portion of starch.
  38. An Easy Distant Off Maintain a comfortable distance off the bank. (Maintain adequate room for maneuvering)
  39. AN/TPS-59 USMC Firefinder radar.
  40. anabolic pathway A pathway by which a metabolite is synthesized; a biosynthetic pathway.
  41. anabolism One of the two subcategories of metabolism, referring to the building up of complex organic molecules from simpler precursors.
  42. Anabranch A diverging branch of a river which re-enters the main stream.
  43. Anadromous Fish that live most of their adult life in saltwater but spawn in freshwater.
  44. Anadromous fish Fish that hatch in freshwater, migrate to the ocean to mature, then return to freshwater to spawn. An example is salmon.
  45. Anaerobe An organism that grows in the absence of oxygen. See Aerobe.
  46. Anaerobic An environment or condition in which molecular oxygen is not available for chemical, physical or biological processes.
  47. Anaerobic Bacteria Microorganisms that live in oxygen deprived environments.
  48. Anaerobic decomposition The breakdown of molecules into simpler molecules or atoms by microorganisms that can survive in the partial or complete absence of oxygen.
  49. Anaerobic Digester A device for optimizing the anaerobic digestion of biomass and/or animal manure, and possibly to recover biogas for energy production.
  50. anaerobic digestion Digestion of materials in the absence of oxygen. See: anaerobic respiration.
  51. Anaerobic Lagoon A holding pond for livestock manure that is designed to anaerobically stabilize manure, and may be designed to capture biogas, with the use of an…
  52. Anaerobic organism An organism that does not need oxygen to stay alive. See anaerobic.
  53. anaerobic respiration Respiration in which foodstuffs are partially oxidized, with the release of chemical energy, in a process not involving atmospheric oxygen.
  54. anagrelide (an-AG-re-lide) A drug that is used to decrease the number of platelets in the blood in order to prevent blood clotting.
  55. anakinra (an-a-KIN-ra) A substance that is used to treat rheumatoid arthritis, and is being studied in the treatment of cancer.
  56. anal (AY-nul) Having to do with the anus. The anus is the opening of the rectum (last part of the large intestine) to the outside of the body.
  57. anal cancer (AY-nul KAN-ser) Cancer that forms in tissues of the anus. The anus is the opening of the rectum (last part of the large intestine) to the outside of the…
  58. anal fin The unpaired fin that lies along the midline of the body beneath the anus, usually on the back half of the fish.
  59. analgesia (AN-ul-JEE-zee-uh) Pain relief.
  60. analgesic A drug that reduces pain. Analgesics include aspirin, acetaminophen, and ibuprofen.
  61. analog In chemistry, a substance that is similar, but not identical, to another.
  62. analog component Synonym CAV.
  63. analog computer A device that performs operations on data that are represented within the device by continuous variables having a physical resemblance to the quantities…
  64. analog data Data represented by a physical quantity that is considered to be continuously variable and has a magnitude directly proportional to the data or to a…
  65. analog decoding The portion of the digital-to-analog conversion process that generates an analog signal value from the digital signal that resulted from analog encoding.
  66. analog encoding The portion of the analog-to-digital conversion process that samples an analog signal and creates a digital signal that represents the value of the sample.
  67. analog facsimile equipment Facsimile equipment in which (a) analog techniques are used to encode the image detected by the scanner and (b) the output is an analog signal.
  68. analog record A record created by a continuously varying quantity that reflects variations in some quantity, such as photographs and films made with light-sensitive…
  69. Analog recording A recording in which continuous magnetic signals are written to the tape that are representations of the voltage signals coming from the recording…
  70. analog signal A signal, such as voice, that varies in a continuous manner.
  71. analog signaling data link The data link that provides an interface to signaling terminals and is made up of voice-frequency analog transmission channels and modems. [T1.110.2-1992]
  72. analog switch Switching equipment designed, designated, or used to connect circuits between users for real-time transmission of analog signals.
  73. analog transmission Transmission of a continuously varying signal as opposed to transmission of a discretely varying signal.
  74. Analog-to-digital The process in which a continuous analog signal is quantized and converted to a series of binary integers.
  75. analog-to-digital (A-D) coder Synonym analog-to-digital converter (ADC).
  76. analog-to-digital (A-D) encoder Synonym analog-to-digital converter (ADC).
  77. analog-to-digital converter (ADC) A device that converts an analog signal to a digital signal that represents equivalent information.
  78. analogous Features of organisms or molecules that are superficially or functionally similar but have evolved in a different way or contain different compounds.
  79. Analysis A process in which anything complex is separated into simple or less complex parts.
  80. analysis engine See text analysis engine.
  81. analysis results The information that is produced by annotators. Analysis results, which correspond to the information that you want to search for, are written to a data…
  82. Analyst A financial analyst tracks the performance of companies and industries, evaluates their potential value as investments, and makes recommendations on…
  83. analytical attack An attempt to break a code or to find a key using analytical methods. Note: Examples of an analytical attack are: a statistical analysis of patterns; a…
  84. Analytical Data all case specific records such as notes, worksheets, graphs, spectra, printouts, computer data files, photographs, photocopies, microscopic slides and…
  85. Analytical Procedure an orderly step-by-step process designed to ensure operational uniformity and to minimize systematic variability.
  86. Analytics Software which allows you to track your page views, user paths, and conversion statistics based upon interpreting your log files or through including a…
  87. ANALYZE Static Code Analyzer.
  88. anaphase The stage of mitosis or meiosis during which the daughter chromosomes migrate to opposite poles of the cell (toward the ends of the spindle ).
  89. anaphylactic shock (A-nuh-fih-LAK-tik shok) A severe and sometimes life-threatening immune system reaction to an antigen that a person has been previously exposed to.
  90. anaplastic (an-ah-PLAS-tik) A term used to describe cancer cells that divide rapidly and have little or no resemblance to normal cells.
  91. anaplastic large cell lymphoma (A-nuh-PLAS-tik ... lim-FOH-muh) An aggressive (fast-growing) type of non-Hodgkin lymphoma that is usually of the T-cell type.
  92. anaplastic thyroid cancer (A-nuh-PLAS-tik THY-royd KAN-ser) A rare, aggressive type of thyroid cancer in which the malignant (cancer) cells look very different from normal thyroid…
  93. anastomosis (an-AS-ta-MO-sis) A procedure to connect healthy sections of tubular structures in the body after the diseased portion has been surgically removed.
  94. anastrozole An anticancer drug that is used to decrease estrogen production and suppress the growth of tumors that need estrogen to grow.
  95. anatomic (A-nuh-TAH-mik) Having to do with anatomy (the study of the structure of a plant or animal).
  96. anatomy (uh-NA-toh-mee) The study of the structure of a plant or animal.
  97. ANBURS Alphanumeric Backup Replacement System
  98. ancestim (an-SESS-tim) A drug being studied for its ability to increase the number of stem cells in the blood. It is a type of hematopoietic cell growth factor.
  99. Anchor Last taken sit to the dealer's right.
  100. Anchor block. See thrust block.