ExpertGlossary terms starting with A

3,515 terms

  1. ALSP Aggregate Level Simulation Protocol.
  2. Alt A character on your account other than your main character.
  3. Alt Attribute Blind people and most major search engines are not able to easily distinguish what is in an image.
  4. Alt tags Alt tags alternate text associated with a web page graphic that gets displayed when the Internet user hovers the mouse over the graphic.
  5. Alt-A Mortgages A classification of mortgages in which the risk profile falls between prime and subprime.
  6. AltAir Project name for the feasibility demonstration of a short range, air drop, ballistic missile target, dropped from a C-130 cargo aircraft. 16
  7. AltaVista Search engine bought out by Overture prior to Overture being bought by Yahoo. AltaVista was an early powerhouse in search, but on October 25, 1999 they…
  8. altazimuth mount A mounting, e.g., for a directional antenna, in which slewing takes place in (a) the plane tangent to the surface of the Earth or other frame of reference…
  9. Alteplase (AL-teh-PLAYS) A form of tissue plasminogen activator that is made in the laboratory.
  10. Alter ego A counterpart.
  11. Alteration Any change involving an erasure or rewriting in the date, amount, or payee of a check or other negotiable instrument.
  12. alternate access provider A company that enters a market area as a competitive service provider (CAP) to provide exchange service in competition with one or more existing exchange…
  13. alternate carrier routing (ACR) A special advanced intelligent network (AIN) feature supporting Government Emergency Telecommunications Service (GETS) calls.
  14. Alternate Designated Agency Ethics Official (ADAEO) The official selected by the agency head to act in the capacity of the Designated Agency Ethics Official in the event of his/her absence.
  15. Alternate Judge/Alternate Presiding Judge Appointed by the authority ordering the election to serve in an election polling place on election day.
  16. Alternate juror A juror who is selected in the same manner as a regular juror and hears the evidence in a case along with the regular jurors but does not help decide the…
  17. alternate mail A mail system other than Lotus Notes mail.
  18. alternate mark inversion (AMI) signal A pseudoternary signal, representing binary digits, in which (a) successive "marks" are of alternately positive and negative polarity and the absolute…
  19. Alternate National Military Command Center (ANMCC) An element of the National Military Command System (NMCS), which serves as an alternate to the NMCC. Located at Ft. Ritchie, MD.
  20. alternate party In multilevel precedence and preemption, the call receiver, i.e., the destination user, to which a precedence call will be diverted.
  21. Alternate Processing and Correlation Center (APCC) NORAD capability in USSTRATCOM Command Post that receives, processes, and analyzes TW/AA information.
  22. alternate route A second or subsequent choice path between two points. [T1.Rpt24-1993]
  23. alternate routing The routing of a call or message over a substitute route when a primary route is unavailable for immediate use. 2.
  24. Alternate Space Defense Operations Center (ASPADOC) The backup to the SPADOC, maintained by the Naval Space Command, at Dahlgren, VA, collocated with the NAVSPOC and NAVSPASUR.
  25. Alternating Current A type of electrical current, the direction of which is reversed at regular intervals or cycles; in the U.S.
  26. Alternating current (AC) An electric current that reverses its direction at regularly recurring intervals.
  27. alternating mode Synonym half-duplex (HDX) operation.
  28. Alternative Under the National Environmental Policy Act, a comprehensive management strategy.
  29. Alternative dispute resolution A process by which parties can settle a dispute without a full, formal trial. Methods include mediation, conciliation, arbitration and settlement, among…
  30. Alternative Dispute Resolution (ADR) (ADR) Alternative Dispute Resolution (ADR) is the name for the different ways of settling a disagreement outside of the courtroom.
  31. Alternative employment Alternative employment is a bona fide offer of a similar employment opportunity with the same employer or secondary employer, at equivalent or higher…
  32. Alternative Energy Energy derived from nontraditional sources (e.g., compressed natural gas, solar, hydroelectric, wind).
  33. Alternative fuel As defined in the Energy Policy Act of 1992 (EPACT): Methanol, denatured ethanol and other alcohols, separately or in blends of at least 10 percent by…
  34. Alternative Fuel Vehicles A dedicated, flexible fuel, or dual-fuel vehicle designed to operate on at least one alternative fuel.
  35. Alternative Fuels A popular term for "non-conventional" transportation fuels derived from natural gas (propane, compressed natural gas, methanol, etc.
  36. alternative medicine (all-TER-nuh-tiv MEH-dih-sin) Practices used instead of standard treatments. They generally are not recognized by the medical community as standard or…
  37. Alternative minimum tax (AMT) The alternative minimum tax (AMT) was designed to ensure that all taxpayers pay at least the minimum federal income tax for their income level, no matter…
  38. Alternative mortgage instrument (AMI) Any mortgage other than a fixed interest rate, level payment, amortizing loan. Includes variable rate mortgages, rollover loans, graduated payment…
  39. Alternative mRNA splicing The inclusion or exclusion of different exons to form different mRNA transcripts. (See RNA.)
  40. alternative routing In signaling, the process of allocating substitute routes for a given signaling traffic stream in case of failure(s) affecting the signaling links or…
  41. Alternative splicing Different ways of combining a gene's exons to make variants of the complete protein
  42. Alternatives Courses of action that may meet the objectives of a proposal at varying levels of accomplishment, including the most likely future conditions without the…
  43. Alternator A belt-driven device mounted on the front of the engine that recharges the battery while the engine is running.
  44. ALTHO although
  45. Altimeter An instrument that indicates the altitude of an object above a fixed level. Pressure altimeters use an aneroid barometer with a scale graduated in…
  46. Altimeter Setting A correction of the station pressure to sea level used by aviation. This correction takes into account the standard variation of pressure with height and…
  47. altitude of the apogee or of the perigee The altitude of the apogee or perigee above a specified reference surface serving to represent the surface of the Earth.
  48. Altocumulus A cloud of a class characterized by globular masses or rolls in layers or patches, the individual elements being larger and darker than those of…
  49. Altostratus A cloud of a class characterized by a generally uniform gray sheet or layer, lighter in color than nimbostratus and darker than cirrostratus.
  50. altretamine An anticancer drug that belongs to the family of drugs called alkylating agents.
  51. ALU Arithmetic Logic Unit.
  52. Alu sequences A highly repeated family of 300-bp long sequences dispersed throughout the human genome, so named because they are released by the digestion of genomic…
  53. Alum A type of immune adjuvant (a substance used to help boost the immune response to a vaccine). Also called aluminum sulfate.
  54. aluminum sulfate A type of immune adjuvant (a substance used to help boost the immune response to a vaccine). Also called alum.
  55. ALVAC-CEA vaccine A cancer vaccine containing a canary pox virus (ALVAC) combined with the human carcinoembryonic antigen (CEA) gene.
  56. Alveoli (al-VEE-oh-ly) Tiny air sacs at the end of the bronchioles in the lungs.
  57. Alzheimer dementia (ALTS-hy-mer dih-MEN-shuh) A brain disorder that usually starts in late middle age or old age and gets worse over time.
  58. Alzheimer disease (ALTS-hy-mer dih-ZEEZ) A brain disorder that usually starts in late middle age or old age and gets worse over time.
  59. AM area manager.
  60. AMA adaptive management area.
  61. Amanita phalloides A type of poisonous mushroom that has harmful effects on the kidneys and liver. It is responsible for most fatal cases of mushroom poisoning.
  62. amateur service A radiocommunication service for the purpose of self-training, intercommunication and technical investigation carried out by amateurs, that is, by duly…
  63. amateur station A station in the amateur service. [NTIA] [RR]
  64. amateur-satellite service A radiocommunication service using space stations on Earth satellites for the same purposes as those of the amateur service. [NTIA] [RR]
  65. Amazon CloudWatch A web service that enables you to monitor and manage various metrics, and configure alarm actions based on data from those metrics. See Also http://aws.
  66. Amazon EBS-backed AMI Instances launched from this type of AMI use an Amazon EBS volume as their root device.
  67. Amazon EC2 VM Import Connector See http://aws.amazon.com/ec2/vmimport.
  68. Amazon Elastic Block Store (EBS) A service that provides block level storage volumes for use with EC2 instances. See Also http://aws.amazon.com/ebs.
  69. Amazon Elastic Compute Cloud (EC2) A web service that enables you to launch and manage Linux/UNIX and Windows server instances in Amazon's data centers. See Also http://aws.amazon.com/ec2.
  70. Amazon Elastic MapReduce A web service that makes it easy to process large amounts of data efficiently. Amazon EMR uses Hadoop processing combined with several AWS products to do…
  71. Amazon Machine Image (AMI) An encrypted machine image stored in Amazon Elastic Block Store or Amazon Simple Storage Service. AMIs are like a template of a computer's root drive.
  72. Amazon Payments See http://payments.amazon.com.
  73. Amazon Relational Database Service (RDS) A web service that makes it easier to set up, operate, and scale a relational database in the cloud.
  74. Amazon Resource Name (ARN) A standardized way to refer to an AWS resource. For example: arn:aws:iam::123456789012:user/division_abc/subdivision_xyz/Bob.
  75. Amazon Route 53 A web service you can use to create a new DNS service or to migrate your existing DNS service to the cloud. See Also http //aws.amazon.com/route53.
  76. Amazon S3-Backed AMI Instances launched from this type of AMI use the instance store as their root device.
  77. Amazon Simple Notification Service (SNS) A web service that enables applications, end-users, and devices to instantly send and receive notifications from the cloud. See Also http://aws.amazon.
  78. Amazon Simple Queue Service (SQS) Reliable and scalable hosted queues for storing messages as they travel between computers. See Also http://aws.amazon.com/sqs.
  79. Amazon Simple Storage Service (S3) Storage for the internet. You can use it to store and retrieve any amount of data at any time, from anywhere on the web. See Also http://aws.amazon.com/s3.
  80. Amazon Virtual Private Cloud (VPC) A web service that enables you to create a virtual network for your AWS resources. See Also http://aws.amazon.com/vpc.
  81. Amazon Web Services (AWS) An infrastructure web services platform in the cloud for companies of all sizes. See Also http://aws.amazon.com.
  82. Amazon.com The largest internet retailing website. Amazon.com is rich in consumer generated media.
  83. amber stop codon See: stop codon.
  84. Ambien A drug used to treat insomnia (inability to sleep), and anxiety. It is a type of imidazopyridine (sedative hypnotic). Also called zolpidem .
  85. Ambient Surrounding natural conditions or environment at a given place and time. Environmental or surrounding conditions.
  86. Ambient Air The air external to a building or device.
  87. Ambient air quality The condition of the air in the surrounding environment.
  88. Ambient Air Quality Standards Regulations prescribing the levels of airborne pollutants that may not be exceeded during a specified time in a defined area.
  89. Ambient Data Ambient data is data stored in non-traditional computer storage areas and formats, such as Windows swap files, unallocated space, and file slack.
  90. Ambient lighting Provides general illumination indoors for daily activities, and outdoors for safety and security.
  91. ambient noise level The level of acoustic noise existing at a given location, such as in a room, in a compartment, or at a place out of doors.
  92. Ambient Temperature The temperature of a medium, such as gas or liquid, which comes into contact with or surrounds an apparatus or building element.
  93. Ambulatory Surgical Center (ASC) Facilities that perform specific procedures in an outpatient (non-hospital) setting
  94. Ambulatory Surgical Center, Ambulatory Surgical Facility Healthcare facilities that offer surgical services only to patients who go home the same day of the procedure.
  95. Ambursen dam A buttress dam in which the upstream part is a relatively thin flat slab usually made of reinforced concrete.
  96. AMC (1) Air Mobility Command, Scott AFB, IL. (2) Army Materiel Command. (3) Midpoint Compromise Search Area. (4) Acquisition Method Code.
  97. AMCOM Army Aviation and Missile Command (Oct. 1996).
  98. AMCR alternative management control review.
  99. AMD Amend
  100. AMD-V (AMD Virtualization) AMD's version of virtualization assist, included in some 64-bit AMD processors. See also Virtualization Assist.