| Part of Speech | Definition | |
| Verb | 1. Of Difference.[Websters]
2. To be disputed, tangled or broiled. [Eve - graph theoretic] 3. To have gaped, distanced, pitted or lagged. [Eve - graph theoretic] 4. To be margined. [Eve - graph theoretic] 5. To have contrasted. [Eve - graph theoretic] 6. To be mismatched. [Eve - graph theoretic] 7. To have quarrelled, contested, debated, squabbled or spatted. [Eve - graph theoretic] 8. To be rifted. [Eve - graph theoretic] 9. To have dissented. [Eve - graph theoretic] 10. To have clashed, struggled, feuded, hassled or tussled.[Eve - graph theoretic] | |
| Verb Past Tense | 1. Past tense conjugation of the verb difference.[Eve - graph theoretic] | |
| Verb Base (difference) | 1. To cause to differ; to make different; to mark as different; to distinguish.[Websters]. 2. Base verb from the following inflections: differencing, differenced, differences, differencer, differencers, differencingly and differencedly.[Eve - graph theoretic] | |
Source: Webster's Revised Unabridged Dictionary (1913), compiled from various sources, under license. | Top | |
Date "DIFFERENCED" was first used in popular English literature: sometime before 1648. (references) |
Specialty Definition: difference
| Domain | Definition | ||
| Noah Webster | 1: [Noun] The state of being unlike or distinct; distinction; disagreement; want of sameness; variation; dissimilarity. Difference may be total or partial, and exist in the nature and essence of things, in the form, the qualities or degrees. There is a difference in nature between animals and plants; a difference in form between the genera and species of animals; a difference of quality in paper; and a difference in degrees of heat, or of light.. | 2: [Noun] The quality which distinguishes one thing from another.. | 3: [Noun] Dispute; debate; contention; quarrel; controversy. What was the difference? It was a contention in public.. | 4: [Noun] The point in dispute; ground of controversy.. | 5: [Noun] A logical distinction.. | 6: [Noun] Evidences or marks of distinction. The marks and differences of sovereignty.. | 7: [Noun] Distinction. There is no difference between the Jew and the Greek. Romans 10.. | 8: [Noun] In mathematics, the remainder of a sum or quantity, after a lesser sum or quantity is subtracted.. | 9: [Noun] In logic, an essential attribute, belonging to some species, and not found in the genus; being the idea that defines the species.. | 10: [Noun] In heraldry, a certain figure added to a coat of arms, serving to distinguish one family from another, or to show how distant a younger branch is from the elder or principal branch.. Source: Webster's 1828 American Dictionary. |
| Computing | Relational algebra operator. The set difference of two relations R1 and R2 having the same scheme builds a relation having the same scheme and containing all tuples appearing in R1 and not appearing in R2. Source: European Union. (references) | ||
| Law | DIFFERENCE. A dispute, contest, disagreement, quarrel. (references) | ||
| Literature | 1: (1) The eldest son, during the lifetime of his father, bears a label (or lambel), i.e. a piece of silk, stuff, or linen, with three pendants, broader at the bottom than at the top. 2: (2) The second son bears a crescent. 3: (3) The third, a mullet (or star with five points). 4: (4) The fourth, a martlet. 5: (5) The fifth, an annulet. 6: (6) The sixth, a fleur-de-lis. 7: (7) The seventh, a rose. 8: (8) The eighth, a cross-moline. 9: (9) The ninth, a double quatre foil. 10: Difference Ophelia says to the queen. "You may wear your rue with a difference." In heraldry differences or marks of cadency indicate the various branches of a family. 11: Ophelia says both she and the Queen are to wear rue, the one as the affianced of Hamlet, eldest son of the late king; the other as the wife of Claudius his brother, and the cadet branch. The latter was to have a "difference," to signify it was a cadet branch. "I [says Ophelia] shall wear the rue, but you [the Queen] must now wear it with a `difference.' " Source: Brewer's Dictionary. | ||
| Math | The difference of set A minus set B is a set having all the members which are in A, but not in B. (references) | ||
| Wiktionary | 1: [Noun] (arithmetic) (countable) The result of a subtraction; sometimes the absolute value of this result. (references) | 2: [Noun] (countable) A characteristic of something that makes it different from something else. There are three differences between these two pictures. (references) | 3: [Noun] (countable) A disagreement or argument about something important. (references) | 4: [Noun] (uncountable) The quality of being different. You need to learn to be more tolerant of difference. (references) | 5: [Verb] (transitive) To distinguish or differentiate. (references) |
Source: compiled by the editor from various references; see credits. | Top | ||
Common Expressions: difference
| Expressions | Definition | ||
| Buy term and invest the difference | Buy term and invest the difference is a concept in insurance and personal finance that grants the insured more flexibility in investing their money than permanent life insurance. Because Term life insurance is usually inexpensive in the short term compared to all forms of permanent life, the insured can purchase the necessary coverage and invest the savings as they choose. On average permanent policies are more expensive than a comparable amount of term. For example a permanent product with a premium of $120 a month may be only $30 for a comparable amount of term allowing the purchaser to invest $90 a month. (references) | ||
| Contract for difference | A contracts for difference, also commonly known as a CFD, is an equity derivative that allows users to speculate on share price movements, without the need for ownership of the underlying shares. CFDs are traded over-the-counter (OTC). (references) | ||
| Difference between a butterfly and a moth | Although the separation of Lepidopterans into butterfly and moth categories is a well-known distinction, the difference between a butterfly and a moth is not actually a standard taxonomic division. (references) | ||
| Difference between sub-orbital and orbital spaceflights | There sometimes appears to be confusion among the general public about the difference between sub-orbital and orbital spaceflights. This article is an attempt to clarify this issue. It also elaborates on the technical implications of the differences between orbital and sub-orbital spaceflights. (references) | ||
| Difference feminism | Difference feminism is a branch of feminism that stresses that men and women are essentially very different beings, instead of past feminisms of equality that stress a fundamental sameness between men and women in some way. Difference feminisms may have arisen due to issues with legislation - equality feminisms may have assured that women have gotten suffrage for one, as well as other rights, but for more important and influential changes (for example, medical related support), the assertion that women are different was necessary to make. Difference feminisms can stress either the assertion of a fundamental biological difference, or an emotional difference, or both. (references) | ||
| Difference limen | The smallest change in stimulation that a person can detect. Source: Wordnet 3.0 Copyright © 2006 by Princeton University. All rights reserved. | ||
| Difference of opinion | A disagreement or argument about something important. Source: Wordnet 3.0 Copyright © 2006 by Princeton University. All rights reserved. | ||
| Difference of two squares | The proof just given indicates the scope of the identity in abstract algebra: it will hold in any commutative ring R. Also, conversely, if it holds in a ring R, then R is commutative. (references) | ||
| Difference operator | In mathematics, a difference operator maps a function, f(x), to another function, f(x + a) − f(x + b). (references) | ||
| Difference threshold | The smallest change in stimulation that a person can detect. Source: Wordnet 3.0 Copyright © 2006 by Princeton University. All rights reserved. | ||
| Difference tone | Difference tone is a psycho-acoustic phenomenon. When two tones are played simultaneously, a hearer can in addition perceive the tone whose frequency is a sum or difference of the two frequencies. The discovery of the phenomenon is credited to the violinist Giuseppe Tartini. (references) | ||
| Difference Triangles | The purpose of this article is to show how Pascal’s triangle can be obtained by using difference triangles. (references) | ||
| Distinction without a difference | A distinction without a difference is a type of argument where one word or phrase is preferred to another, but this results in no difference to the final outcome. It is particularly used when a word or phrase has connotations associated with it that one party to an argument prefers to avoid. (references) | ||
| Goal difference | In sports such as ice hockey and soccer, goal difference (that is, goals scored less goals conceded) is often the first tie-breaker used to rank teams which finish a competition with an equal number of points. (references) | ||
| Interaural Intensity Difference | Interaural intensity differences (IIDs) are differences in the intensity of sound arriving at the two ears; and are important cues that animals use to localise high frequency sounds. The interaural time difference is another source of information for sound localisation. (references) | ||
| Just noticeable difference | In psychophysics, the just noticeable difference (usually abbreviated as jnd, using lowercase letters) is the smallest difference in a sensory input that is perceivable by a human being or other animal. It is also known as the differential threshold. (references) | ||
| Just-noticeable difference | (psychophysics) the difference between two stimuli that (under properly controlled experimental conditions) is detected as often as it is undetected. Source: Wordnet 3.0 Copyright © 2006 by Princeton University. All rights reserved. | ||
| Plesiochronous difference | Plesiochronous difference - In telecommunications, if two digital signals are plesiochronous, their transitions occur at nearly the same rate, with any variation being within preset limits. EXAMPLE: If two networks are working together their clocks may be using two different Primary Reference Clocks (PRC). These clocks are extremely accurate (+ or - 1 in 1011) and employ cesium atomic standards. That said, there are differences between PRCs. This is known as a plesiochronous difference. (references) | ||
| Potential difference | The difference in electrical charge between two points in a circuit expressed in volts. Source: Wordnet 3.0 Copyright © 2006 by Princeton University. All rights reserved. | ||
| Representational Difference Analysis | Representational Difference Analysis is a technique to find differences in two genomic or cDNA samples. Genomics or cDNA sequences from two samples are PCR amplified and differences analyzed using subtractive DNA hybridization. (references) | ||
| Symmetric difference | In mathematics, the symmetric difference of two sets is the set of elements which are in one of either set, but not in both. (references) | ||
| Tabular difference | (Math.), the difference between two consecutive numbers in a table, sometimes printed in its proper place in the table. Source: Webster's Revised Unabridged Dictionary. | ||
| Temporal difference learning | Temporal difference learning is a prediction method. It has been mostly used for solving the reinforcement learning problem. "TD learning is a combination of Monte Carlo ideas and dynamic programming (DP) ideas" (Sutton, 1998). TD resembles a Monte Carlo method because it learns by sampling the environment according to some policy. TD is related to dynamic programming techniques because it approximates its current estimate based on previously learned estimates (a process known as bootstrapping). The TD learning algorithm is related to the Temporal difference model of animal learning. (references) | ||
| Temporal difference model | The temporal difference model is a real time classical conditioning model. The primary idea behind the TD model is that the prediction is calculated as a sum of discounted rewards. (references) | ||
| To make no difference | To have no weight or influence; to be a matter of indifference. Source: Webster's Revised Unabridged Dictionary. | ||
Source: compiled by the editor from various references; see credits. | Top | ||
Specialty Expressions: difference
| Expressions | Domain | Definition | |
| Altitude difference | Aerospace | In navigation, the difference between computed and observed altitudes, or between precomputed and sextant altitudes. It is labeled T (toward) or A (away) as the observed (or sextant) altitude is greater or smaller than the computed (or precomputed) altitude. Also called altitude intercept, intercept . (references) | |
| B. Difference in elevation between two points in an area to be drained. | Mining | . (references) | |
| Confidence interval for the difference between two proportions | Statistics | A confidence interval gives us some idea of the range of values which an unknown population parameter(such as the mean or variance)is likely to take based on a given set of sample data. Source: European Union. (references) | |
| COOLING LOADTEMPERATURE DIFFERENCE | Energy | A value used in cooling load calculations for the effective temperature difference (delta T) across a wall or ceiling, which accounts for the effect of radiant heat as well as the temperature difference. (CLTD). (references) | |
| Co-pol phase difference | Space | The phase difference between the two co-polarized channels in a polarimetric radar. The phase difference measured from a single pixel can be quite noisy. To obtain a more reliable estimate, the pixel amplitudes are coherently averaged over several samples, and the phase angle between the averaged amplitudes is measured (this gives more weight to the phase difference between the strong samples). Often the co-pol channels are HH and VV, and the co-pol phase difference is the difference between the phase angles of the corresponding samples (or averaged samples) in the HH and the VV channels. The co-pol phase difference is often helpful in classifying the scattering mechanism at a sample, as it is characteristic of the number of bounces that the EM wave experiences during reflection. In the BSA convention, an ideal single-bounce (or odd-bounce) scatterer will have a co-pol phase difference of 180, while an ideal double-bounce (or even-bounce) scatterer will have a co-pol phase difference of 0. Note that there is a sign change in the complex received signal if the basis convention is switched, which adds 180 to the phase difference. In practical situations, there will be a fair amount of variation in the co-pol phase difference measurement. While a surface with a small degree of roughness will scatter with a co-pol phase difference near 180 and an open upright structure like a telephone pole will have a co-pol phase difference near 0, an agricultural field could backscatter with a variety of co-pol phase difference values between -180 and 180, depending upon the size, spacing and type of vegetation. For example, a significantly lower co-pol phase difference would be expected for a corn field with well-defined vertical stalks than for a field of peas. There is also a cross-pol phase difference, with the analogous definition. However, the cross-pol phase difference is usually very random, as there is generally little correlation between the scattering in HH and HV. If a scene-dependent pattern is observed in the cross-pol phase difference, it is likely due to channel crosstalk. (references) | |
| Dialectical difference | Language | Chacune de nos langues est composée de constantes et de variantes. Le jeu des variantes, nous le savons, est d'une complexité extraordinaire: --, régionales, locales. Source: European Union. (references) | |
| Difference Engine | Computing | ||
| Difference equation | Computing | A relation between consecutive elements of a sequence. The first difference is D u(n) = u(n+1) - u(n) where u(n) is the nth element of sequence u. The second difference is D2 u(n) = D (D u(n)) = (u(n+2) - u(n+1)) - (u(n+1) - u(n)) = u(n+2) - 2u(n+1) + u(n) And so on. A recurrence relation such as u(n+2) + a u(n+1) + b u(n) = 0 can be converted to a difference equation (in this case, a second order linear difference equation): D2 u(n) + p D u(n) + q u(n) = 0 and vice versa. a, b, p, q are constants. (1995-02-10). Source: The Free On-line Dictionary of Computing.. | |
| Difference image | Environment | Image prepared by subtracting the digital values of pixels in one image from those in a second image to produce a third set of pixels. This third set is used to form the difference image. (references) | |
| Difference Image | Space | An image created by subtracting the mean value of parcels of pixels in two different images of the same area. This operation results in either a positive or a negative value where change has occurred. Zero values indicate parcels where no change has occurred. When interpreting difference images, you must consider the threshold boundaries between change and no-change. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
Abbreviations & Acronyms: difference
| 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 | |
| DIFFERENCE | English | Dissemination and Facilitation for European Research in Selected Chains | Computing | |
| diff. | English | Difference | Language | |
| Source: compiled by the editor, based on several corpora (additional references). | Top | |||
