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Date "reliability" was first used in popular English literature: sometime before 1860. (references) |
| Domain | Definitions |
Computing | Reliability |
Aerospace | Of a piece of equipment or a system, the probability of specified performance for a given period of time when used in the specified manner. (references) |
Electrical Engineering | A)the ability of a semiconductor device to preserve its quality; b)the probability that the device will satisfactorily perform a required circuit function under specified conditions for a specified time. Source: European Union. (references) |
| Electric system reliability has two components adequacy and security. Adequacy is the ability of the electric system to supply the aggregate electrical demand and energy requirements of the customers at all times, taking into account scheduled and unscheduled outages of system facilities. Security is the ability of the electric system to withstand sudden disturbances such as electric short circuits or unanticipated loss of system facilities. Source: European Union. (references) | |
Energy | Electric systemreliability has two component adequacy and security. Adequacy is theability of the electric system to supply the aggregate electrical demandand energy requirements of the customers at all times, taking intoaccount scheduled and unscheduled outages of system facilities. Securityis the ability of the electric system to withstand sudden disturbancessuch as electric short circuits or unanticipated loss of systemfacilities. (references) |
| This is the concept of how long a device or process can operate properly without needing maintenance or replacement. (references) | |
Law | The probability that a system or service will perform in a satisfactory manner for a given period of time when used under specified operating conditions. Source: European Union. (references) |
Medicine | Used technically, in a statistical sense, of consistency of a test with itself, i. e. the extent to which we can assume that it will yield the same result if repeated a second time. Source: European Union. (references) |
Military | The ability of an item to perform a required function under stated conditions for a specified period of time. (references) |
Statistics | The characteristic of Community statistics to reflect as faithfully as possible the reality which they are designed to represent. It implies that scientific criteria are used for the selection of sources, methods and procedures. Source: European Union. (references) |
| This term is used in three different contexts. In connection with biological assay, Finney(1947)has defined reliability of an assay as the reciprocal of a function of the confidence interval of the estimate of potency of the stimulus. The term is also used in factor analysis, especially in connection with the statistical analysis of psychological and educational tests. The'reliability'of a result is conceived of as that part which is due to permanent systematic effects, and therefore persists from sample to sample, as distinct from error effects which vary from one sample to another. The term is now also used in the context of the life of industrial components and equipments as the probability of survival after time tn, that is to say, 1-F(t)where F(t)is the distribution function of the lifetimes. Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | |
(From Wikipedia, the free Encyclopedia)
1. The ability of an item to perform a required function under stated conditions for a specified period of time.
2. The probability that a functional unit will perform its required function for a specified interval under stated conditions.
3. The continuous availability of communication services to the general public, and emergency response activities in particular, during normal operating conditions and under emergency circumstances with minimal disruption.
Source: from Federal Standard 1037C and from MIL-STD-188
In psychometrics, reliability is the consistency of a measure, either internally or over repeated measures, see Reliability (psychometric).
Source: adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "Reliability."
| The following table is compiled from various sources, across various languages. When English abbreviations or acronyms come from a non-English source, this is noted. | |||
| Entry | Source | Expression | Field |
| REM | English | Reliability engineering model | Engineering & Technology |
Source: compiled by the editor, based on several corpora (additional references). | |||
Synonyms: ReliabilitySynonyms: dependability (n), dependableness (n), reliableness (n). (additional references) |
| Antonym: undependability (n). (additional references) |
| Context | Synonyms within Context (source: adapted from Roget's Thesaurus). |
Certainty | Noun: certainty; necessity; certitude, surety, assurance; dead certainty, moral certainty; infallibleness; Adjective: infallibility, reliability; indubitableness, inevitableness, unquestionableness. |
| Source: adapted from Roget's Thesaurus. | |
| Domain | Usage | |
Screenplays | When you instituted the human reliability tests, you assured me there was no possibility of such a thing ever occurring! (Dr. Strangelove or: How I Learned to Stop Worrying and Love the Bomb; writing credit: Peter George; Stanley Kubrick) | |
Source: compiled by the editor from various references; see credits. | ||
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Source: compiled by the editor from various references; see credits. | |||
| Thumbnail | Description & Credit | Thumbnail | Description & Credit |
 | The second of two unarmed Minuteman III missiles launched from Vandenberg Air Force Base Sept. 28 at 3:01 a.m. PDT. The two missiles were a part of the Force Development Evaluation Program and tested the reliability and accuracy of Air Force weapon system. |  | The first of two unarmed AGM-30 Minuteman III missiles launched from Vandenberg Air Force Base Sept. 28 at 1:01 a.m. PDT. The two missiles were a part of the Force Development Evaluation Program and tested the reliability and accuracy of Air Force weapon. |
 | General view of aviators and airplanes, part of a reliability tour, at Chicago Airport.Credit: Library of Congress. | ||
Source: compiled by the editor from various references; see credits. | |||
| Author | Quotation |
Cicero | The shifts of Fortune test the reliability of friends. |
Source: compiled by the editor from various references. | |
| Subject | Topic | Quote |
Health | Evaluate the validity and reliability of screening instruments. (references) | |
Myelin increases the speed and reliability of signal transmission along nerve fibers. (references) | ||
The low complication rate and high reliability for cochlear implants compare favorably with other implanted electronic devices and continue to improve. (references) | ||
Business | They view a well-known brand name as a sign of reliability. (references) | |
Their loyalty to brand depends upon the reliability and after-sales service. (references) | ||
Superior performance, quality and reliability qualify American products in Portugal. (references) | ||
Civil Liberties | Germany | The judge ruled that the question of a person's reliability hinges on the person and not their membership in the Church of Scientology. (references) |
China | Students who attend these institutes must demonstrate "political reliability," and all graduates must pass an examination on their theological and political knowledge to qualify for the clergy. (references) | |
South Africa | However, government officials continued to question the reliability of crime statistics because of the difficulties experienced by the SAPS in introducing standardized statistics-gathering methods in a consistent manner across the country. (references) | |
Economic History | Italy | Italy is a competitive market where reliability is important. (references) |
Venezuela | Mail orders are not an option because of low reliability of the postal system. (references) | |
El Salvador | Local textile companies attribute this to high quality standards and delivery reliability. (references) | |
Human Rights | Vietnam | The Constitution provides for the independence of judges and jurors; however, in practice the Party controls the courts closely at all levels, selecting judges at least in part for their political reliability. (references) |
Trade | Kazakhstan | Local citizens are wary of the reliability of Kazakhstani banks and fear local tax authorities. (references) |
Israel | Reliability and on-time payments for goods and services are generally considered one of the characteristics of Israeli business people. (references) | |
Travel |