ExpertGlossary terms starting with A

3,515 terms

  1. Acidic The condition of water or soil which contains a sufficient amount of acid substances to lower the pH below 7.0.
  2. Acidified The addition of an acid (usually nitric or sulfuric) to a sample to lower the pH below 2.0.
  3. acidity The degree of sourness of a usually water soluble substance. Acidity is measured in pH, with 7 being neutral and 2 being a strong acid.
  4. Acidosis A condition caused by high acidity in the blood.
  5. ACIM Availability Centered Inventory Model.
  6. Acini (as ih' nie) the grape-like structure in the lobules of the breasts that produce milk.
  7. ACIS 1. Arms Control Impact Statement. 2. Automated Control of Industrial Systems
  8. acitretin A substance that is used in the prevention of cancer and in the treatment of psoriasis. It belongs to the family of drugs called retinoids.
  9. ACK Abbreviation for acknowledge character.
  10. acknowledge character (ACK) A transmission control character transmitted by the receiving station as an affirmative response to the sending station.
  11. acknowledgement A response sent by a receiver to indicate successful receipt of a transmission.
  12. acknowledgement delay period Synonym [loosely] sliding window.
  13. Acknowledgment 1. A formal declaration before an authorized official by the person who executed an instrument that it is his/her free act and deed. 2.
  14. ACL See definition for access control list (ACL)
  15. ACL (access control list) A security type used by Lotus Notes developers to grant varying levels of access and user privileges within Lotus Notes databases.
  16. ACLD Above Cloud Level
  17. ACM Air Combat Maneuvering.
  18. ACMREQ Airspace Control Means Request (JFACC term).
  19. ACN53 A substance that has been studied in the treatment of some types of cancer. ACN53 is a weakened adenovirus that carries the p53 gene into tumor cells…
  20. acne A disorder of the skin in which oil glands and hair glands become inflamed.
  21. ACO (1) Administrative Contracting Officer. (1) Airspace Control Order (JFACC term)
  22. ACOM Atlantic Command.
  23. Acordar, estar de Acuerdo La opinión del juez de un tribunal de apelaciones que concuerda con la decisión emitida por otro juez por las mismas o diferentes razones.
  24. AcoS Army Chief of Staff
  25. acoustic (ah-KOOS-tik) Having to do with sound or hearing.
  26. acoustic coupler An interface device for coupling electrical signals by acoustical means--usually into and out of a telephone instrument. 2.
  27. acoustic delay line A device that introduces a delay in the propagation of an electrical signal by (a) employing a transducer to convert the signal into an acoustic wave, (b)…
  28. acoustic neurofibromatosis (a-KOOS-tik NOOR-oh-fy-broh-muh-TOH-sis) A genetic condition in which tumors form on the nerves of the inner ear and cause loss of hearing and balance.
  29. acoustic noise An undesired audible disturbance in the audio frequency range. 2. Any undesired acoustic wave or signal, or undesired component of a desired acoustic…
  30. acoustic wave A longitudinal wave that (a) consists of a sequence of pressure pulses or elastic displacements of the material, whether gas, liquid, or solid, in which…
  31. acoustics The branch of science and technology that is devoted to the production, transmission, control, processing, transformation, reception, and effects of…
  32. acousto-optic effect A variation of the refractive index of a material caused by interaction with acoustic energy in the form of a wave or pulse.
  33. acousto-optics The discipline devoted to the interactions between acoustic waves and light waves in a material medium.
  34. ACP Abbreviation for acyl carrier protein.
  35. ACPY Accompany
  36. ACQ Acquisition.
  37. Acquire (1) When applied to acquisition radars, to detect the presence and location of a target in sufficient detail to permit identification.
  38. acquired Developed in response to the environment, not inherited, such as a character trait (acquired characteristic) resulting from environmental effect(s).
  39. Acquired genetic mutation See: somatic cell genetic mutation
  40. acquired immunodeficiency syndrome (uh-KWY-erd IH-myoo-noh-dih-FIH-shun-see SIN-drome) A disease caused by human immunodeficiency virus (HIV).
  41. Acquired Immunodeficiency Syndrome (AIDS) A disease caused by the human immunodeficiency virus.
  42. Acquiring Bank In a merger, the bank that absorbs the bank acquired.
  43. acquisition If a company buys another company outright, or accumulates enough shares to take a controlling interest, the deal is described as an acquisition.
  44. Acquisition (ACQ) (1) (Sensor) The results of processing sensor measurements to produce object reports of interest to the system.
  45. acquisition and tracking orderwire See ATOW.
  46. Acquisition Categories Categories established to facilitate decentralized decision making and execution and compliance with statutorily imposed requirements.
  47. Acquisition Decision Memorandum (ADM) A memorandum signed by the milestone decision authority that documents decisions made and the exit criteria established as the result of a milestone…
  48. Acquisition Field of View (FOV) The instantaneous volume viewed by the interceptors sensor during the process of searching its assigned volume.
  49. Acquisition Life Cycle Five phases, each preceded by a milestone or other decision point, during which a system goes through research, development, test and evaluation, and…
  50. Acquisition Logistics Process of systematically identifying and assessing logistics alternatives, analyzing and resolving logistics deficiencies, and managing integrated…
  51. Acquisition Management Management of all or any of the activities within the broad spectrum of acquisition.
  52. Acquisition Plan A formal written document reflecting the specific actions necessary to execute the approach established in the approved acquisition strategy and guiding…
  53. Acquisition Planning The process by which the efforts of all personnel responsible for an acquisition are coordinated and integrated through a comprehensive plan for…
  54. Acquisition Program A directed, funded effort that is designed to provide a new or improved materiel capability in response to a validated need.
  55. Acquisition Program Baseline (APB) Acquisition program baselines embody the cost, schedule, and performance objectives for the program.
  56. Acquisition Radar Radar that searches a spatial volume and identifies potential targets from the background and non-hostile objects.
  57. Acquisition Risk The chance that some element of an acquisition program produces an unintended result with an adverse effect on system effectiveness, suitability, cost, or…
  58. Acquisition Strategy A business and technical management approach designed to achieve program objectives within the resource constraints imposed.
  59. Acquisition Strategy Report Describes the acquisition approach to include streamlining, sources, competition, and contract types throughout the period from the beginning of Phase I…
  60. Acquisition Streamlining Any effort that results in more efficient and effective use of resources to develop or produce quality systems.
  61. acquisition time In a communications system, the time interval required to attain synchronism. 2.
  62. Acquisition, Tracking and Pointing (ATP) The process of acquiring within a given field of view a target (or targets) and maintaining a precision track of the same while enabling the pointing of a…
  63. Acquisition/ Reacquisition Time The time required to establish or reestablish lock on the received signal. This includes carrier, symbol, frame, code, and crypto synchronization.
  64. Acquit To find a criminal defendant not guilty through a verdict or because the evidence is insufficient, or because the charges have been dropped or dismissed.
  65. Acquittal A release, absolution or discharge of an obligation or liability. In criminal law, the finding of not guilty.
  66. ACR alkali-carbonate reaction.
  67. Acre (ac) Unit for measuring land, equal to 43,560 sq. ft., 4840 sq. yds., or 160 sq. rds.
  68. Acre-foot One surface acre of water 1 foot deep or 43,560 cubic feet of water. The total acre-feet of water in a pond is determined by multiplying the number of…
  69. Acre-foot (ac-ft) A term used in measuring the volume or amount of water needed to cover 1 acre (43,560 square feet) 1 foot deep (325,851 gallons or 1,233.5 cubic meters).
  70. ACRF Advanced Computer Research Facility.
  71. acridine carboxamide A substance being studied in the treatment of cancer. It is a type of topoisomerase inhibitor. Also called DACA.
  72. acridine dyes A class of positively charged polycyclic molecules that intercalate into DNA and induce frameshift mutations.
  73. ACRM Assistant Commissioner-Resources Management.
  74. ACRN Account Code Reporting Number.
  75. acrocentric A chromosome that has its centromere near the end.
  76. acromegaly (A-kroh-MEH-guh-lee) A condition in which the pituitary gland makes too much growth hormone after normal growth of the skeleton is finished.
  77. acropetal Arising or developing in a longitudinal sequence beginning at the base and proceeding towards the apex. Opposite: basipetal.
  78. ACRS Across
  79. acrylonitrile (ak-ri-low-NYE-tril) A substance used to make plastics, rubber, and textiles. Being exposed to acrylonitrile may increase the risk of developing certain…
  80. ACS (1) Airspace Control System. (2) Attitude Control System. (3) AEGIS Combat System. (4) Assistant Chief of Staff. 6
  81. ACS (Automated Cartridge Systems) comprise cartridge storage cells, transports, and some kind of robotic mechanism(s) to move the cartridges between the cells and either a transport or a…
  82. ACS (Automatic Class Selection) routines automatically assign an SMS-managed data set to a storage class based upon the data set's characteristics. See SMS.
  83. ACSI Assistant Chief of Staff for Intelligence.
  84. ACSIS AEGIS Combat System Interface Simulation.
  85. ACSN Advance Change/Study Notice
  86. Act The National Flood Insurance Act of 1968 and any amendments to it.
  87. acta (plural) a formal term for documents that are officially-certified records of actions, transactions, and proceedings, usually of a governing authority, but also…
  88. ACTD Advanced Concept Technology Demonstration.
  89. ACTE Analytical Communications Test Environment ATD.
  90. ACTEX Advanced Controls Technology Experiment.
  91. ACTH A hormone made in the pituitary gland. ACTH acts on the outer part of the adrenal gland to control its release of corticosteroid hormones.
  92. Actimid (AK-tih-mid) A substance being studied in the treatment of prostate cancer, multiple myeloma, and other types of cancer.
  93. Actinex A drug put on the skin to treat growths caused by sun exposure. A form of Actinex that is taken by mouth is being studied in the treatment of prostate…
  94. actinic keratosis (ak-TIH-nik KAYR-uh-TOH-sis) A precancerous condition of thick, scaly patches of skin. Also called senile keratosis and solar keratosis.
  95. Action Case, cause, suit or controversy disputed or contested before a court.
  96. action copy That copy of a communication directed to a particular agency, office, or individual responsible for action, as opposed to an information copy.
  97. Action Player A player who bets big and for long periods of time. Can be a euphemism for stupid player.
  98. Action Stage The stage which, when reached by a rising stream, represents the level where the NWS or a partner/user needs to take some type of mitigation action in…
  99. action study In cancer prevention clinical trials, a study that focuses on finding out whether actions people take can prevent cancer.
  100. Action Taken Date The settlement or closing date for originations. For applications that did not result in an origination, the date when the action was taken or when the…