Definition of differential in English:

differential

adjective

technical
  • 1[attributive] Of, showing, or depending on a difference; differing or varying according to circumstances or relevant factors.

    ‘the differential achievements of boys and girls’
    • ‘The differential expression of mammalian genes depending on the sex of the parent from which they are inherited is known as genomic imprinting.’
    • ‘Thus, it appears that this relationship is accounted for by factors other than differential rates of incarceration or child welfare involvement.’
    • ‘The fact that nesting success was unrelated to features of the nest site excludes the influence of weather as major factor leading to differential success among macrohabitats.’
    • ‘Moreover, the differential rates of risk factors predict a future increase in morbidity and mortality among underserved and disenfranchised groups.’
    • ‘These differential effects did not depend on the child's age or parents' level of education.’
    • ‘Differences in abiotic factors such as differential effects of glaciation and sea-level changes on land and in the sea may also greatly influence biogeographic patterns.’
    • ‘Changes in an explanatory variable will have differential impacts, depending on the category.’
    • ‘I also want to make it clear that the literature is not completely consistent in the failure to find patterns of results which support the differential impact of sentences that vary in severity.’
    • ‘This evidence, together with evidence of differential rates according to day and time of week, explain why local and regional policing and other crime prevention efforts need to focus on injury as well as offending.’
    • ‘At present, it is unclear why there is a differential requirement for such factors.’
    • ‘Because I'm venturing outside my own area of work, and because time is short, I won't review all of the social factors producing differential success of men and women.’
    • ‘Consequently, sprinkled through the book are references to differential effects of television, depending on class.’
    • ‘This emphasizes isoform-specific functions in relation to tissue water permeation or growth as well as differential responses to varying extents of the same abiotic stressor.’
    • ‘Such centres are subject to their own forms of social and spatial ordering, such as differential occupation and use of space according to factors such as age and gender.’
    • ‘This seems realistic as we have no evidence to suggest that management of risk factors may have differential benefit according to ethnic origin.’
    • ‘Tests for interaction or trend, however, did not suggest differential benefits according to smoking habit in either trial.’
    • ‘Another factor in this differential growth rate was out-migration from the South.’
    • ‘After donation, all the blood is divided into its constituent parts by a 3,000-revolution per minute centrifuge according to differential density.’
    • ‘Prevention and intervention strategies, in order to be inclusive, will need to be mindful of the differential contributions of these factors in the lives of girls.’
    • ‘The first issue is that nongenetic factors can produce patterns of differential fitness, and create the illusion of local adaptation.’
    distinctive, different, dissimilar, contrasting, divergent, disparate, contrastive
    distinguishing, discriminating, discriminatory
    View synonyms
    1. 1.1Constituting a specific difference; distinctive.
      ‘the differential features between benign and malignant tumors’
      • ‘By proteograph analysis, none of these met the criteria as differential features between the two cell types, yet many of these proteins will have key roles in fundamental breast biology.’
      • ‘Not only offering the means to achieving differential gradations of colour and opacity, the process can also achieve true colour reproduction of photographs and complex graphics.’
      • ‘Fluorescence emission can provide a possible method to separate tissue constituents based on differential spectral features.’
      • ‘We then detail implemented measures that take into account common and differential features between words.’
    2. 1.2Mathematics
      Relating to infinitesimal differences or to the derivatives of functions.
      • ‘His second area of work was on differential geometry in particular the theory of quadratic differential quantics.’
      • ‘He contributed substantially to topology, differential geometry and complex analytic geometry.’
      • ‘At Zurich, in addition to his work on set theory he also worked on differential geometry, number theory, probability theory and the foundations of mathematics.’
      • ‘This ‘index theorem’ had antecedents in algebraic geometry and led to important new links between differential geometry, topology and analysis.’
      • ‘He worked on quadratic differential forms and mechanics.’
    3. 1.3Relating to a difference in a physical quantity.
      ‘a differential amplifier’
      • ‘An analytical differential refractive index detector was used.’
      • ‘A differential amplifier with a band-pass up to 20 Hz was used to increase immunity to noise.’
      • ‘A differential amplifier was constructed and has many advantages for a variety of applications.’
      • ‘Shifts in the field of view directly affected displacement output, but density increment and strain, being differential quantities, were unaffected.’
      • ‘The signals from the Na + selective and voltage barrels were measured and simultaneously subtracted by the high impedance differential amplifier.’
      • ‘A differential amplifier was used for signal amplification.’
      • ‘The differential amplifier further includes first and second load devices coupled to the first and second collector regions.’
      • ‘Rail-to-rail input common mode range differential amplifier that operates with very low rail-to-rail voltages’
      • ‘Rather than measure temperature directly, a differential radiometer uses a pair of antennae to detect the difference in temperature between two separate parts of the sky.’
      • ‘Each member of a pair of coils that sense the same component of the transmitted field is connected to a different input of a differential amplifier.’
      • ‘A differential amplifier calculates a difference between the reference signal and the output signal from the sample and hold circuit.’
      • ‘Examples of Type II devices are an inclinometer and a longitudinal differential floor profilometer which both have 12-inch sensor wheel spacing.’

noun

technical
  • 1A difference between amounts of things.

    ‘the differential between gasoline and diesel prices’
    • ‘Well, unquestionably, I ran closest to the president of any of the other Republican candidates that won in terms of the differential between his vote and mine.’
    • ‘The differential between public sector union employees and the rest of the working class in wages, benefits, and job security makes a joke of the very concept of working class solidarity.’
    • ‘Accountants in large firms are more accustomed to a power differential between different levels of management than are accountants in small firms.’
    • ‘In a study carried out last year, it emerged that the differential between the cost of books for a first standard pupil can be between £19.48 and £28.97.’
    • ‘The differential between interest earned and interest paid out by a bank is called the net interest margin.’
    • ‘In most countries, the differential between urban and rural wages is quite pronounced, and this was - and is - certainly the case in Thailand.’
    • ‘The differential between male and female earnings increased over the period as well.’
    • ‘The result has been a sharp widening in the differential between the wages of highly skilled and low-skilled labor in the United States and other advanced countries.’
    • ‘A majority of American states either mandate or permit manual recounting when the differential between the machine vote totals for opposing candidates is within a certain margin.’
    • ‘However, the use of the exchange rate as a nominal anchor also led to its real appreciation - as it takes time for the differential between domestic and foreign inflation to fall.’
    • ‘Would you explain the differential between those two sums?’
    • ‘And profit is a function of the differential between real costs and possible prices.’
    • ‘The differential between the reserve rate and the market rate on treasury bills could decline to make up for the declining demand for reserves derived from the demand for checking accounts.’
    • ‘Certainly, the differential between the amount of American workers and Chinese workers will shrink.’
    • ‘The differential between the New Zealand and Australian corporate tax regimes needed to be addressed as a ‘matter of priority’.’
    • ‘The primary turnover measurement is the differential between takeaways and giveaways.’
    • ‘The result included some desirable elements, such as the differential between urban and non-urban taxes and diesel fuel, but was fatally flawed by the commitment that the price of fuel would not increase.’
    • ‘A very high proportion of th e workforce is lowly paid, the differential between the very high income of a small minority and the remarkably low income of the majority of Irish workers being among the highest in the Western world.’
    • ‘The Government hopes the move will help slash the differential between country and city fuel prices.’
    • ‘They also noted seasonal variation in the differential between the two groups.’
    difference, gap, gulf, divergence, disparity, discrepancy, imbalance, inequality, contrast, distinction
    View synonyms
    1. 1.1Mathematics
      An infinitesimal difference between successive values of a variable.
      • ‘He had shown when certain elliptic differentials could be integrated in logarithms but his methods was of little practical use.’
      • ‘It investigates the use of some functional equations in order to calculate the differentials of logarithmic and trigonometrical functions as well as the binomial expansion and Taylor formula.’
      • ‘He used differentials in his courses, which he supplemented with a special one on difference equations and numerical mathematics because engineers often work on discrete data.’
      • ‘He published a series of works on combinatorial mathematics, in particular probability, series and formulas for higher differentials.’
      • ‘Here the Fréchet differential plays a decisive role.’
    2. 1.2A set of gears allowing a vehicle's driven wheels to revolve at different speeds when going around corners.
      • ‘There will be components like axles, differentials, for certain products that are very similar in architecture to ours.’
      • ‘Power exits the transmission through a custom metal matrix composite aluminum driveshaft into a race-specification differential with a 4.56: 1 final drive ratio.’
      • ‘This same product also secures the crown wheel to the differential to prevent fretting (wear caused by small metal particles generated on assembly).’
      • ‘When so engaged, the clutch pack completes the link between the spinning prop shaft and the rear differential, dispatching engine torque to the rear wheels.’
      • ‘And the final drive differential linked to the output pulley with a pair of transfer gears is the third.’
      • ‘The additional weight is attributed to the brake system, which will consist of an aluminum brake caliper, steel rotor and pad as specified by the IRL, as well as the limited slip differential in the gearbox.’
      • ‘Torque transfer is a function of the internal gearing, which generates frictional resistance to differentiation through the axial and radial thrust forces of the gears in the differential.’
      • ‘The Race Logic traction control and limited slip differential allows all areas access to the machine's mighty torque.’
      • ‘There is a viscous coupling in the front axle, a self-locking differential in the rear and the whole thing alters torque seamlessly from front to rear as required.’
      • ‘He then locked up the differential on his rear axles, tried it again, got a bit of traction, pulled forward, thought he could then back in, tried that, and got stuck again.’
      • ‘A propeller shaft transferred the power from the gearbox to the differential.’
      • ‘It's just a bunch of tiny things rather than big engines, differentials, heavy wheels, that comes out during the race, blocks made of wax in the springs that crush when the race starts.’
      • ‘The transfer cases feature an open center differential which absorbs the speed difference between axles and the front-axle drive.’
      • ‘Meanwhile other educators having understood the merits of the round wheel, have moved on to the complexities of the axle and the differential.’
      • ‘One application of this is in the combined gearbox and differential.’
      • ‘By applying brake pressure to a slipping wheel, torque is transferred across that axle's differential to the other wheel.’
      • ‘That would include the engine, the transmission, the differential and the axles.’
      • ‘That could explain why so many u-joints, clutches, transmissions, differentials and brakes were used up.’
      • ‘Instead, if the driver pushes the accelerator to the floor, the differential cuts the power until the front wheels can find traction, then it allows all the power through.’
      • ‘Unfortunately, this is only available on the 3.7 litre petrol version, which gets an extra differential in the driveline.’

Origin

Mid 17th century: from medieval Latin differentialis, from Latin differentia difference (see differentia).

Pronunciation:

differential

/ˌdifəˈren(t)SH(ə)l/