Baseline Change Request (BCR)A web-based tool that is used to discuss, review, and approve an "engineered product" or other changes to infrastructure components as it is turned over…
Baseline Comparison System (BCS)A current operational system, or a composite of current operational subsystems, which most closely represents the design, operational, and support…
Baseline ConditionsThe natural and human environmental conditions, which are present prior to implementation of a program and against which impacts are assessed.
Baseline Cost Estimate (BCE)A detailed estimate of acquisition and ownership costs normally required for highlevel decisions.
Baseline EmissionsThe emissions that would occur without policy intervention (in a business-as-usual scenario).
Baseline profileUsed for a survey of the environmental conditions and organisms existing in a region prior to unnatural disturbances.
Baseline SecurityThe minimum security controls required for safeguarding an IT system based on its identified needs for confidentiality, integrity and/or availability…
baseline transferA complete transfer of a source volume to a mirror volume. The process involves establishing a TCP connection between the mirror and the source and…
BaseliningMonitoring resources to determine typical utilization patterns so that significant deviations can be detected.
BaseloadThe minimum level of electric power demand of a utility, region, or utility customer delivered or required over a given period of time at a steady rate…
Baseload CapacityThe power output of a power plant that can be continuously produced.
Baseload DemandThe minimum demand experienced by a power plant.
Baseload plantPowerplant normally operated to carry baseload; consequently, it operates essentially at a constant load.
Baseload Power PlantA power plant that is normally operated to generate a base load, and that usually operates at a constant load; examples include coal fired and nuclear…
Baseload UnitAn electric power plant, or generating unit within a power plant, that is normally operated continuously to meet the base load of a utility.
BaseloadingRunning water through a powerplant at a roughly steady rate, thereby producing power at a steady rate.
BasemapThe necessary GIS layers properly symbolized to create a common looking digital map of the District of Columbia.
BasementAny area of the building, including any sunken room or sunken portion of a room, having its floor below ground level (subgrade) on all sides.
Basement complexThe suite of mostly crystalline igneous and/or metamorphic rocks that generally underlies the sedimentary rock sequence.
Basement rockThe oldest rocks in a given area; a complex of metamorphic and igneous rocks that underlies the sedimentary deposits.
basic accessA characterization of a simple standardized combination of access channels that constitute the access arrangements for the majority of ISDN users…
Basic authenticationAuthentication protocol supported by most Web servers and browsers. Transmits the user name and password in clear text.
basic callA call between two users that does not include additional features (e.g., a plain telephone call).
basic call process (BCP)The sequence of activities used in processing a basic call attempt. [T1.667-1999]
basic componentA component that is identifiable at the lowest hierarchical level of specification produced during Detailed Design [ITSEC].
Basic De-duplicationperformed on a select and limited basis, such as for file names and types, and is usually based on the hash value of the entire electronic document.
Basic DiskA basic disk is a physical disk that can be accessed by MSâÂÂDOS and all Windows-based operating systems.
basic mode link controlControl of data links by use of the control characters of the 7-bit character set for information processing interchange as given in ISO Standard 646-1983…
basic monitoringMonitoring of AWS-provided metrics derived at a 5-minute frequency.
Basic PatentThe first member of a "family" of patents (which may or may not be the first member published).
basic rate interface (BRI)An ITU-T Integrated Services Digital Network (ISDN) multipurpose user interface standard that denotes the capability of simultaneous voice and data…
basic serviceA pure transmission capability over a communication path that is virtually transparent in terms of its interaction with customer-supplied information. 2.
basic service element (BSE)An optional unbundled feature, generally associated with the basic serving arrangement (BSA), that an enhanced-service provider (ESP) may require or find…
basic serving arrangement (BSA)The fundamental tariffed switching and transmission (and other) services that an operating company must provide to an enhanced service provider (ESP) to…
Basic solutionWater solution with more hydroxide ions (OH-) than hydrogen ions (H+); water solutions with pH greater than 7. See acid solution, alkalinity.
basic statusIn data transmission, the status of the capability of a secondary station to send or receive a frame containing an information field.
Basic StrategyThe optimum playing strategy for blackjack when not counting.
Basin: (1) A depression in the Earth's surface that collects sediment. (2) The area of land that drains to a particular river.
Basin BoundaryThe topographic dividing line around the perimeter of a basin, beyond which overland flow (i.e.; runoff) drains away into another basin.
Basin LagThe time it takes from the centroid of rainfall for the hydrograph to peak.
Basin RechargeRainfall that adds to the residual moisture of the basin in order to help recharge the water deficit. i.
Basin runoff modelAny one of the computer programs that mathematically models basin characteristics to forecast reservoir inflow from rainfall and/or streamflow data.
Basin StatesArizona, California, Colorado, New Mexico, Utah, Wyoming.
basipetalDeveloping, in sequence, from the apex towards the base. See: acropetal.
BasisBasis is the total cost of buying an investment or other asset, including the price, commissions, and other charges.
Basis pointYields on bonds, notes, and other fixed-income investments fluctuate regularly, typically changing only a few hundredths of a percentage point.
Basis Point (bp)The smallest measure used in quoting yields or returns. One basis point is 0.01% of yield, 100 basis points equals 1%. A yield that changed from 8.
Basis priceWhen you sell a security, such as a stock or bond, or real estate, the price you use to calculate your capital gains is known as your basis price.
Basis SwapsExchange of fixed price for a floating for a defined basis product (e.g. a Houston Ship Channel – HSC Swap at $1.
basophilA type of white blood cell. Basophils are granulocytes.
BassCommon name for several spiny-finned fishes. Used in this booklet to denote the largemouth bass.
bass boatA design of shallow-drafting boat developed for modern, competitive bass fishing.
Bastion HostA bastion host is typically a firewall implemented on top of an operating system that has been specially configured and hardened to be resistant to attack.
Batch HeaterThis simple passive solar hot water system consists of one or more storage tanks placed in an insulated box that has a glazed side facing the sun.
Batch ProcessA process for carrying out a reaction in which the reactants are fed in discrete and successive charges.
batch processingThe processing of a large amount of data, or multiple records, in a single step.
batched transmissionThe transmission of two or more messages from one station to another without intervening responses from the receiving station.
Bates NumberSequential numbering used to track documents and images in production data sets, where each page is identified by a unique production number.
Bates Production NumberA bates production number is a tracking number assigned to each page of each document in the production set.
Bates stampingA technique to mark documents with a unique identification code as they are processed Also referred to as Bates numbering.
BathymetryThe science of measuring depths of the oceans, lakes, seas, etc.
batimastatAn anticancer drug that belongs to the family of drugs called angiogenesis inhibitors. Batimastat is a matrix metalloproteinase inhibitor.
batracylin(BA-truh-SY-lin) A substance being studied in the treatment of cancer. It may kill cancer cells by causing damage to the DNA.
Batt/BlanketA flexible roll or strip of insulating material in widths suited to standard spacings of building structural members (studs and joists).
Battelle, JohnPopular search and media blogger who co-founded The Industry Standard and Wired, and authored a popular book on search called The Search.
BatterInclination from the vertical. A pile driven at an angle to widen the area of support and to resist thrust.
BatteryA beating or wrongful physical violence. The threat to use force is an "assault;" the actual use of force is a battery, which usually includes an assault.
Battery capacityThe maximum total electrical charge, expressed in ampere-hours, which a battery can deliver to a load under a specific set of conditions.
Battery Energy StorageEnergy storage using electrochemical batteries. The three main applications for battery energy storage systems include spinning reserve at generating…
Battle Damage Assessment (BDA)The estimate of damage resulting from the application of military force against a predetermined objective.
Battle DebrisBattle Debris are the fragments produced by the hypervelocity collision of an interceptor with a ballistic missile, post-boost vehicle, or reentry…
Battle Group(1) Domains into which the battle space is partitioned. (2) A data processing approach implemented in the battle management computer, which minimizes the…
Battle IntegrationPreplanning processes and/or real-time coordination that occur to minimize resource wastage between battle tiers or battle partitions. 30
Battle Management (BM)Battle management is comprised of two parts: strategies and the collection of tasks to be performed to successfully implement chosen strategies.
Battle Management SystemThe hub of the command and control process. It consists of computer hardware and software that integrates elements of the command and control system into…
Battle Management System ConfigurationThe battle management elements currently in the system together with their locations, connectivity and currently activated modes of operation.
Battle ManagerThe automated set of hardware and software equipment that performs the battle management functions at an element.
Battle PlanOne of a set of BMD operational approaches to counter a ballistic missile attack.
Battle SpaceA characterization of the BMD area of operation generally expressed by Tier (Boost, Post-Boost, Midcourse, and Terminal). (USSPACECOM)
Battle Space PartitioningAssignment of management, sensing, control and firing responsibilities to specific platforms/facilities within the deployed constellation of…
Battlefield Coordination ElementAn Army liaison provided by the Army component commander to the Air Operations Center (AOC) and/or to the component designated by the joint force…
Battlefield Coordination Element (BCE)An Army liaison provided by the Army component commander to the Air Operations Center (AOC) and/or to the component designated by the joint force…
BattlegroundAn instanced battlefield where players from different factions can fight with each other fairly.