errnoThe error number returned by a "syscall" when it fails. Perl refers to the error by the name $! (or $OS_ERROR if you use the English module).
erroneous blockA block in which there are one or more erroneous bits.
errorError The difference between a measured value of a quantity and its true value. Different types of errors are inherent to observations.
error blocksIn video, a form of block distortion where one or more blocks in the image bear no resemblance to the current or previous scene and often contrast greatly…
error budgetThe bit-error-ratio requirement allocated to the respective segments of a communications system, such as trunking, switching, access, and terminal…
error burstA contiguous sequence of symbols, received over a data transmission channel, such that the first and last symbols are in error and there exists no…
Error Code LookupA tool that can help to determine error values from decimal and hexadecimal error codes in Microsoft Windows operating systems.
error concealmentIn the receipt and processing of digitized television transmissions, a method of covering up errors from dropouts by using the redundancy in most…
error controlAny technique that will detect or correct errors.
error correctionIn the reception or processing of digital data, the use of overhead bits and appropriate algorithms to detect, and within certain constraints, restore a…
Error Detection CodeA code computed from data and comprised of redundant bits of information designed to detect, but not correct, unintentional changes in the data.
error messageIn a computer or communications system, a message that indicates that an error has been made and, sometimes, the nature or type of error. [From Weik '89]
Error pageA web page stating an error message such as "File Not Found"
Error Ratethe frequency at which one deviates or strays from a correct standard.
error ratioThe ratio of the number of bits, elements, characters, or blocks incorrectly received to the total number of bits, elements, characters, or blocks sent…
Error ResolutionThe required process for resolving errors involving electronic transfers to and from deposit accounts
error signalIn computer and communications systems, an audio or visual signal that indicates that an error has been made by the system or its operator.
error-correcting codeA code in which each telegraph or data signal conforms to specific rules of construction so that departures from this construction in the received signal…
Error-Correcting Code (ECC) MemoryA type of memory that includes special circuitry for testing the accuracy of data as it passes in and out of memory.
error-correcting systemIn digital data transmission, a system employing either forward error correction (FEC) or automatic repeat-request (ARQ) techniques such that most…
error-detecting codeA code in which each telegraph or data signal conforms to specific rules of construction, so that departures from this construction in the received signal…
error-detecting systemA system employing an error-detecting code and so arranged that any signal detected as being in error is either deleted from the data delivered to the…
error-free second (EFS)A 1-yysecond interval in which no errored blocks are received. Note: In general, measurement is over time and is stated as a percentage, i.e., % EFS. [T1.
errored second (ES)A 1-yysecond period with one or more errored blocks. 2. A 1-second interval with one or more bit errors.
errored unit of timeA specified period of time, during which bits are transferred from a source to a destination, that contains at least one bit in error.
Errors and omissions insuranceInsurance coverage equivalent to malpractice insurance, protecting an agent’s or operator’s staff if an act of negligence, an error, or an omission…
ERS(1) Early Release of Submunitions . (2) Emergency Response System.
ERTHormones (estrogen, progesterone, or both) given to postmenopausal women or to women who have had their ovaries surgically removed.
EruptionThe process by which solid, liquid, and gaseous materials are ejected into the Earth's atmosphere and onto the Earth's surface by volcanic activity.
EruptiveIn solar-terrestrial terms, solar activity levels with at least one radio event (10 cm) and several chromospheric events per day (Class C Flares).
Eruptive Prominence on Limb (EPL)In solar-terrestrial terms, a solar prominence that becomes activa- ted and is seen to ascend from the sun.
ERUSA procedure in which a probe that sends out high-energy sound waves is inserted into the rectum.
Erythrocyte(eh-RITH-roh-site) A cell that carries oxygen to all parts of the body. Also called RBC and red blood cell.
erythrocyte sedimentation rate(eh-RITH-roh-site SEH-dih-men-TAY-shun ...) The distance red blood cells travel in one hour in a sample of blood as they settle to the bottom of a test…
Erythrocytic stageA stage in the life cycle of the malaria parasite found in the red blood cells. Erythrocytic stage parasites cause the symptoms of malaria.
erythrodysplasia(eh-RITH-roh-dis-PLAY-zhuh) A condition in which immature red blood cells (erythroid cells) in the bone marrow are abnormal in size, shape, organization…
erythroid dysplasia(eh-RITH-royd dis-PLAY-zhuh) A condition in which immature red blood cells (erythroid cells) in the bone marrow are abnormal in size, shape, organization…
erythroleukemia(eh-RITH-roh-loo-KEE-mee-uh) Cancer of the blood-forming tissues in which large numbers of immature, abnormal red blood cells are found in the blood and…
erythroleukoplakia(eh-RITH-roh-LOO-koh-PLAY-kee-uh) An abnormal patch of red and white tissue that forms on mucous membranes in the mouth and may become cancerous.
erythroplakia(eh-RITH-roh-PLAY-kee-uh) An abnormal patch of red tissue that forms on mucous membranes in the mouth and may become cancerous.
erythropoietin(eh-RITH-roh-POY-eh-tin) A substance that is naturally produced by the kidneys, and that stimulates the bone marrow to make red blood cells.
ESCElectronic System Center (AFMC), Hanscom AFB, MA.
escape characterA character that suppresses or selects a special meaning for one or more characters that follow.
escape character (ESC)In alphabet coding schemes, a specially designated character, the occurrence of which in the data signifies that one or more of the characters to follow…
Escape ClauseA provision allowing one party or more to cancel all or part of the contract if certain events fail to happen, such as the ability of the buyer to obtain…
escape codeAn indicator consisting of one or more digits which is defined in a given numbering plan and is used to indicate that the digits that follow are from a…
EscapementUnharvested spawning stocks that return to the streams.
EscarpmentA cliff or the steep slopes of a plateau edge.
EscheatReversion of real or personal property to the State when 1) a person dies without leaving a will and has no heirs, or 2) when the property (such as a bank…
Escherichia coliA commensal bacterium inhabiting the human colon that is widely used in biology, both as a simple model of cell biochemical function and as a host for…
escitalopram(es-sy-TAL-oh-pram) A drug used to treat depression and certain anxiety disorders.
EsconMainframe channel devised by IBM that supports data rates of 200 Mbit/s over fiber.
ESCON (Enterprise Storage Connect)A type of fiber-optic channel used for inter-frame communication between EMC Symmetrix frames using EMC SRDF or between HP StorageWorks E XP series disk…
ESCON (Enterprise Systems Connection)IBM's fiber-optic technology for connecting mainframes using IBM channels. ESCON architecture provides fast access to disk arrays and tape. See FICON.
EscortA person, usually employed by a tour operator, who accompanies a tour from departure to return as guide or trouble-shooter, or a person who performs such…
Escorted group tourA group tour that features a tour director who travels with the group throughout the trip to provide sightseeing commentary and coordinate all group…
Escorted serviceA prearranged travel program, usually for a group, with escort service. Fully escorted tours may also use local guide services.
EscrowA financial instrument held by a third party on behalf of the other two parties in a transaction.
Escrow AccountAn account that serves a specific purpose, which ends when a certain condition is met or a certain event occurs.
Escrow accountsFunds placed in the custody of licensed financial institutions for safekeeping.
Escrow agentAn escrow agent is the person or group that holds certain of your assets in an escrow account while you negotiate the final terms of a contract.
Escrow AnalysisThe periodic examination of escrow accounts by a mortgage company to verify that monthly deposits are sufficient to pay taxes, insurance, and other…
Escrow FundsFunds held in reserve by a mortgage company to pay taxes, insurance, and other mortgage-related items when due.
ESDExamination Support Document -- see Guidelines for Examination Support Document (ESD) under § 1.265 [PDF]
ESDI (Enhanced Small Device Interface)A defined, common electronic interface for transferring data between computers and peripherals, particularly disc drives.
ESE (Extensible Storage Engine) (fka JET)Formerly known as Joint Engine Technologies (JET), the ESE is a method that defines a very low-level Application Programming Interface (API) to the…
ESI Archival SystemsAlthough the ESI has been removed from the primary storage system, it may still be accessible by the user with some delay in retrieval.
ESI Audio SystemsCovers traditional phone systems, phone messages, announcement systems and any other systems that transmit and record sound.
ESI Backup SystemsThese systems may be considered 'inaccessible' under the new FRCP, but should be identified and addressed within the discovery process.
ESI Collaboration SystemsAlthough collaboration systems can include all communication systems, they specifically address systems that are used to manage group activities and share…
ESI Communication SystemsAlthough discovery and corporate communications have been dominated by email, the emergence of Unified Messaging Systems deserves consideration when…
ESI Data Retention Archival SystemsSystem specifically designed to store designated 'Corporate Records' to automate compliance with the corporate records retention policy.
ESI Data Storage SystemsAlso called Mass Storage, "the storage of large amounts of information in a persisting and machine- readable fashion.
ESI Email SystemsAlthough MS Exchange and Lotus Domino predominate in publicly owned corporations, there are many other potential email systems that users and small…
ESI ICDExternal Systems Integration Interface Control Document.
ESI IM SystemsUnless the corporation captures or monitors instant messaging (IM) traffic with an enterprise system, there may by little or no organized records of IM…
ESI Information Management Systems"Enterprise Content Management is the technologies used to Capture, Manage, Store, Preserve, and Deliver content and documents related to organizational…
ESI Litigation Hold Archival SystemsSystem specifically designed to store copies of ESI within an archival repository to effect Legal Holds on corporate data.
ESI Mobile Communications Systems"The mobile phone or mobile, also called a cellular phone, or cell phone is a long-range, portable electronic device used for mobile communication that…
ESI Process Management SystemsCustomer relationship (call center), supply chain, procurement. The system is built to support a business process and touches multiple parties.
ESI Structured Data Storage SystemsSystem that records data into an organized database or relational structure based on arrays, unions and other data types for efficient use.