line unit network termination (LUNT)The customer side of any digital subscriber line (DSL) that does not terminate on the customer installation (CI). [T1.216-1998]
line-in-polygonA spatial operation in which arcs in one coverage are overlaid with polygons of another coverage to determine which arcs, or portions of arcs, are…
line-of-sight (LOS) propagationOf an electromagnetic wave, propagation in which the direct ray from the transmitter to the receiver is unobstructed, i.e.
line-rate conversionA translation of standardized, existing video systems (using 525, 625, and 1125 total lines per frame) to proposed systems.
line-route mapA map or overlay for signal communications operations that shows the actual routes and types of construction of wire circuits in the field.
line-to-line correlationIn facsimile, the correlation of object information from scanning line to scanning line.
linear analog synchronizationSynchronization in which the functional relationships used to obtain synchronization are of simple proportionality. Synonym linear analog control.
linear combinerA diversity combiner in which the combining consists of simple addition of two or more signals.
linear deviceA device for which the output is, within a given dynamic range, linearly proportional to the input.
linear featureA geographic feature that can be represented by a line or set of lines. For example, rivers, roads within a pizza delivery area, and electric and…
linear footA measurement used to calculate space requirements Note: A linear foot measures twelve inches for documents stored on edge. See also filing inch.
linear keyIn video technology and image processing, a process for the selective overlay of one video image upon another, as through chroma key.
linear measurementA measurement of records on a shelf or in a drawer typically expressed in filing inches or linear feet See also filing inch.
linear polarizationOf an electromagnetic wave, confinement of the E-field vector or H-field vector to a given plane.
linear predictive coding (LPC)A method of digitally encoding analog signals, which method uses a single-level or multilevel sampling system in which the value of the signal at each…
linear programming (LP)In operations research, a procedure for locating the maximum or minimum of a linear function of variables that are subject to linear constraints.
linearityThe property of a system in which, if input signals X and Y result in system output S(X) and S(Y) respectively, the input signal aX + bY will result in…
linearly polarized (LP) modeA mode for which the field components in the direction of propagation are small compared to components perpendicular to that direction.
linearly scalableThe system will be predictable and efficient in growing the application. If one server can process 1,000 transactions per second, two servers should be…
linguistic searchA search type that browses, retrieves, and indexes a document with terms that are reduced to their base form (for example, so that "mice" is indexed as…
LinguisticsThe study of the nature, structure, and variation of language. In advanced enterprise search platforms, linguistics analysis enables transformation of…
link analysisA method that is based on the analysis of hyperlinks between documents and used to determine what pages in the collection are important to users.
Link baitUseful or entertaining web content which compels users to link to it.
Link BaitingThe art of targeting, creating, and formatting information that provokes the target audience to point high quality links at your site.
Link BuildingThe process of building high quality linkage data that search engines will evaluate to trust your website is authoritative, relevant, and trustworthy.
Link BurstsA rapid increase in the quantity of links pointing at a website. When links occur naturally they generally develop over time.
Link cardinalityThe number of links in a set that refer to a given document. It is best used to determine the relevancy of a Web page by factoring in how many other pages…
Link ChurnThe rate at which a site loses links. See also: Information retrieval based on historical data
link diversityThe process of provisioning signaling links with physically separate transmission routes between signaling points to mitigate impact of facility failures.
Link EncryptionLink encryption encrypts all of the data along a communications path (e.g., a satellite link, telephone circuit, or T1 line).
Link EquityA measure of how strong a site is based on its inbound link popularity and the authority of the sites providing those links.
Link FarmWebsite or group of websites which exercises little to no editorial control when linking to other sites. FFA pages, for example, are link farms.
Link HoardingA method of trying to keep all your link popularity by not linking out to other sites, or linking out using JavaScript or through cheesy redirects.
Link LayerDeprecated term for Data Link Layer. See Open Systems Interconnection--Reference Model.
link levelIn the hierarchical structure of a primary or secondary station, the conceptual level of control or data processing logic that controls the data link.
link orderwireA voice or data communications circuit that (a) serves as a transmission link between adjacent communications facilities that are interconnected by a…
link protocolA set of rules relating to data communications over a data link. Note: Link protocols define data link parameters, such as transmission code, transmission…
link quality analysis (LQA)In adaptive high-frequency (HF) radio, the overall process by which measurements of signal quality are made, assessed, and analyzed.
Link Quality EvaluationThis testing of links to create bit error estimates and monitors natural or induced link interference.
Link ReputationThe combination of your link equity and anchor text.
Link RotA measure of how many and what percent of a website's links are broken. Links may broken for a number of reason, but four of the most common reasons are…
link setA set of signaling links directly connecting two signaling points.[T1.226-1992]
Link spamLinks between pages that are specifically set up to take advantage of link-based ranking algorithms such as Google's PageRank (PR).
link state controlThe control that coordinates functions of the signaling link, including signal unit delimitation, signal unit alignment, error detection, error…
link state informationInformation about the state of messaging routes (links) in an Exchange Server 2003 messaging system that is determined using the link state algorithm to…
link state tableThe database used on each Exchange Server 2003 server to store link state information propagated by the link state algorithm.
link status signal unitA signal unit that contains status information about the signaling link in which it is transmitted. [T1.110-1987]
link-by-link enciphermentThe individual application of encipherment to data on each link of a communications system [7498-2].
LinkAccessA feature that allows access to SharePoint documents and sites and documents on shares inside of a corporate network through Outlook Web Access when it is…
linkageThe frequency of coinheritance of a pair of genes and/or genetic markers, which provides a measure of their physical proximity to one another on a…
Linked CloneA copy of the original virtual machine that must have access to the parent virtual machine's virtual disk(s).
linked connectorIn Exchange Server 2007, a Receive connector that is linked to a Send connector.
linked registrationA type of AllCall registration feature, the use of which combines the registrations for incoming and outgoing calls for the current terminal address in a…
linkerA short, double-stranded oligonucleotide containing a restriction endonuclease recognition site, which is ligated to the ends of a DNA fragment.
linking protection (LP)In adaptive high-frequency (HF) radio, protection intended to prevent the establishment of unauthorized links or the unauthorized manipulation of…
Linkstext or graphics that, when clicked on, take the Internet user to another web page location. Links are expressed as URLs.
linuxA freeware version of the Unix™ operating system.
lip synchronizationThe synchronization of audio and corresponding video signals so that there is no noticeable lack of simultaneity between them.
liquid crystal display (LCD)A display device that creates characters by means of the action of electrical signals on a matrix of liquid cells that become opaque when energized.
Liquid Fuel Booster (LFB)Target booster being developed to mate with current reentry vehicles and emulate the short/medium range threat.
LISTA Web site component that stores and displays information that users can add to by using their browsers.
list addressIn e-mail, an address used by mailing list subscribers to send e-mail to be distributed to each member of a discussion list, forum, interest group…
list contextThe situation in which an "expression" is expected by its surroundings (the code calling it) to return a list of values rather than a single value.
list operatorAn "operator" that does something with a list of values, such as join or grep. Usually used for named built-in operators (such as print, unlink, and…
list processorSoftware used to manage and administer a discussion-group list, an interest group list, or a mailing list. [After Bahorsky]
List ServerA list server (mailing list server) is a program, or a feature in a program, that handles subscription requests for a mailing list and distributes new…
list valueAn unnamed list of temporary scalar values that may be passed around within a program from any list-generating function to any function or construct that…
ListsAlong with document libraries, lists form the foundation of content within SPS.
literalA string, a number, or a date which directly represents a constant value. 'XYZ123', '1234' and '6/10/57' are examples of a string literal, a numeric…
little-endianA common difference between machines is the order in which they store the individual bytes of multi-byte numerical data.
live backupcopying an encapsulated virtual machine, while powered on, from outside of the context of the virtual machine, for archiving purposes.
Live CaptureTypically refers to a fingerprint capture device that electronically captures fingerprint images using a sensor (rather than scanning ink-based…