Definition of conversion in English:



  • 1The act or an instance of converting or the process of being converted.

    ‘the conversion of food into body tissues’
    • ‘It also has the weighty responsibility of inhibiting the conversion of body fat back into glucose for the body to burn (a hangover from our feast-or-famine cave days).’
    • ‘In the end, true conversion is an ongoing process, and above all a challenge to ourselves as much as it is to those around us.’
    • ‘To call historical films dishonest or inaccurate, as some historians have done, is to misunderstand the process of conversion of academic history into popular history by forming and employing myth.’
    • ‘Within the inalienability of entailed real property was concealed the conversion of Parliamentary seats into a cash value.’
    • ‘After ingestion, the process of conversion of folic acid to the metabolically active coenzyme forms is relatively complex.’
    • ‘How do I know my system works properly after conversion?’
    • ‘The characteristics of the transformed films and of the process by which conversion occurs challenge current models of the stable surfactant film.’
    • ‘Consider conversion of existing support units based on availability of contract support in wartime.’
    • ‘The expenditure during the quarter ended June 2002 includes costs incurred towards the process of conversion of the company into a commercial bank.’
    • ‘Any process of conversion must be essentially artificial.’
    • ‘The farm is in the process of organic conversion, and Roger is growing spelt (300 tonnes this year), a nutty and nutritious grain that is a lot easier to digest than wheat.’
    • ‘Shortly thereafter, the government proposed conversion from a monarchy to a republic with an elected president replacing the British monarch as chief of state.’
    • ‘The exhibits explaining the process of bio energy conversion with sewage water would have been music to the ears of die-hard environmentalists.’
    • ‘The company was experiencing several challenges related to their data analysis, conversion and storage processes.’
    • ‘Lasers are able to produce a range of biological responses in tissue determined by the various processes of energy conversion within biomolecules.’
    • ‘These structures can be more fully exploited in the process of digital conversion of the material.’
    • ‘But to do the conversion properly people need to know €1 equals £0.787564.’
    • ‘Workers were set to resume the final steps of conversion, a process that precedes enrichment.’
    • ‘Let's assume that our team has the responsibility to build out a Web service supporting currency conversion.’
    • ‘One farm is about to achieve organic status and another is in the process of conversion.’
    change, changing, transformation, turning, altering, metamorphosis, transfiguration, transmutation, translation, sea change
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    1. 1.1The adaptation of a building for a new purpose.
      ‘the conversion of a house into apartments’
      • ‘Andy's flat (I suppose I should call it an apartment really) is a beautiful loft conversion - one of those one big room affairs.’
      • ‘Much of the work relates to house extensions and conversions where applications have increased by 40 per cent.’
      • ‘A handful of the buildings are complete town houses, but most are upmarket conversions with Jeeps and Range Rovers parked outside.’
      • ‘They include conversions at Victorian buildings including Silens Mill, in Little Germany, and Ivegate House, near City Hall.’
      • ‘Shop conversions have become increasingly popular as traditional corner stores have been forced to close.’
      • ‘The accommodation is completed by an impressive attic conversion with separate landing overhead.’
      • ‘The policy also includes new property developments in existing buildings such as barn conversions.’
      • ‘It's a gorgeous split level apartment on the fourth floor of a school conversion in Camberwell.’
      • ‘There have been several mill conversions in Little Germany and there are controversial plans to pull down an old factory in the former wool quarter to replace it with a new £8.5 million building.’
      • ‘The conversion also includes holiday accommodation, which will mean the building will be used all year.’
      • ‘Over the last ten years in the Craven District Council area, permission was granted for 188 conversions and 188 new buildings.’
      • ‘Initially he focused on small scale residential conversions but Kennedy's big breakthrough came with the purchase of a disused Baptist church in Edinburgh's Dublin Street.’
      • ‘‘The warehouse conversions in London were really coming of age,’ recalls Wayne.’
      • ‘Another option may be a loft or basement conversion, or just a ‘re-ordering’ of the space you currently have.’
      • ‘The potential exists to create one - or possibly more - residential conversions.’
      • ‘Now almost all new homes, including barn conversions, will only receive planning approval if they are sold at below market prices to local people with genuine housing needs.’
      • ‘The scheme was introduced by Labour as part of a wider package of measures to encourage the regeneration of Britain's towns and cities, which included a reduced rate of VAT on residential conversions.’
      • ‘Durable and seamlessly stylish, glossy resin looks beautiful in open-plan areas and warehouse conversions.’
      • ‘The plans for a side extension, replacement of existing roof and loft conversion were considered by the town council planning committee last week.’
      • ‘Other hot properties in Bradford include conversions at Victorian buildings including Silens Mill, in Little Germany, and Ivegate House, near City Hall.’
    2. 1.2British A building or part of a building that has been adapted in this way.
      • ‘In the smaller villages only conversion of existing buildings to residential use will be permitted.’
      • ‘Kennet has offered grant aid of £25,000 towards the repair and conversion of the building.’
      • ‘Finally he stated that retention and conversion of the existing building was not viable.’
      • ‘The building's conversion into a large gallery required internal reorganization.’
      • ‘Well we're all fairly sad to see the village shop being boarded up for conversion into two houses.’
      • ‘Having looked at the project in detail however, I have come to the conclusion that conversion of the building to a shopping centre is not a viable option on a stand alone basis.’
      • ‘The conversion of an existing building from a non-occupied use into residential living space typically requires several things to meet the building codes.’
      • ‘Apart from minor rebuilding necessary for conversion, the buildings will retain their present appearance.’
      • ‘There is also an integrated double garage for which there is planning permission for conversion into dual level self-contained accommodation.’
      • ‘The new scheme involves building 18 new homes on the site plus a partial demolition of the public house buildings and conversion of the rest into four flats.’
      • ‘He wonders if any bid has been made to market the property, which is said to need £20 million spending on it, as a house or for conversion into apartments.’
      • ‘A tremendous boom in cinema building and conversion took place during the next few years and continued unabated until the First World War, by which time there were about 3,500.’
      • ‘If your loft conversion is in a two-storey house, you will have to encase the existing stairs of the house to create a fire-protected means of escape.’
      • ‘Planning permission to carry out the major conversion work on the building and create 22 apartments was granted in May.’
      • ‘With military precision, building conversion went ahead at top speed.’
      • ‘With an attractive beamed ceiling as well as windows to the front and sides, this has potential for conversion to a self-contained flat, subject to the relevant planning permission.’
      • ‘On hearing these concerns, the council agreed to market the building for conversion to housing.’
      • ‘There is nothing illogical about treating conversion of buildings other than agricultural ones on their merits.’
      • ‘These projects will involve the construction of 1,500 new apartments and the conversion of 1,000 units from existing housing or health facilities.’
      • ‘At that point, the developer will begin the process of renovation and conversion.’
      adaptation, reconstruction, rebuilding, redevelopment, refashioning, redesign, restyling, revamping
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    3. 1.3Law The changing of real into personal property, or of joint into separate property, or vice versa.
      • ‘Nothing, therefore, has happened except a conversion of one form of property held by the partners into another form of property held by the partners.’
      • ‘It was held that the plaintiffs could successfully maintain an action in conversion against the defendant as they still enjoyed the general property in the car.’
      • ‘Second, he claims a right to possession under the property law principles of trover and conversion.’
      • ‘A fortunate few have previously negotiated conversion from lease to proper title with the former laird for just the cost of the legal expenses.’
      • ‘They may be interests in property, as in actions for trespass and conversion; or interests in unimpaired relations with others, as in causing injury or death to relatives.’
    4. 1.4Logic The transposition of the subject and predicate of a proposition according to certain rules to form a new proposition by inference.
      • ‘This is a known transformation in logic, and is called conversion by contraposition, or negative conversion.’
      • ‘The operations of conversion, obversion, and contraposition are applied to categorical propositions to yield new categorical propositions - these can become immediate arguments.’
  • 2The fact of changing one's religion or beliefs or the action of persuading someone else to change theirs.

    ‘my conversion to the Catholic faith’
    • ‘For now, I wish to move on to the changes this religious conversion made in my life and to me as a person.’
    • ‘In most observed cases religious conversion did not give rise to a particular ‘capitalist spirit’ or economic success.’
    • ‘He requested them to investigate the case maintaining that religious conversion was a matter of grave concern which had earlier led to conflicts among other communities.’
    • ‘These tensions over religious liberty come to a head over two types of religious action: conversion and proselytizing.’
    • ‘James is speaking of those who are for one reason or another incapable of religious conversion.’
    • ‘As the Marxist creed dissolved, the other two religions have embarked on a process of mass conversion sending missionaries out to the four corners of the globe.’
    • ‘In the eighteenth century the goal of mission was seen primarily as conversion from idolatry and religious perversion.’
    • ‘The texts of these religions give conversion theological significance.’
    • ‘They refuse to believe in a religion that allows for adaptation and change, and correspondingly can only see outsiders as people in need of conversion to their belief system.’
    • ‘Unlike Buddhism, Jainism did not advocate conversion to its religion and it did not spread outside the country.’
    • ‘They were not as amenable to conversion to the official religions of the Roman Empire as the other pagan peoples the Roman has conquered.’
    • ‘Its spread, from about 700 AD, was mainly a peaceful process of gradual conversion.’
    • ‘Recent years have seen the mass conversion to religion of hitherto agnostic parents.’
    • ‘In recent years in the United States and other countries around the world, we are hearing from a new set of commentators about the legacy of the 1970s conversions to new religions.’
    • ‘Adolescence and young adulthood is also the life stage when religious conversion is most likely to take place.’
    • ‘The most fundamental religious experience of Newman's life was his adolescent conversion to evangelical religion.’
    • ‘We discuss the role of caste in the process of conversion.’
    • ‘A conversion from one religion to another may also help one overcome ambivalence; the imagery used for God may differ from that used in childhood.’
    • ‘A look at the history of conversions in India will make it clear whether conversion is an active or passive process.’
    • ‘The sanction, moreover, would only be applied in cases of formal conversion to another religion.’
    spiritual rebirth, regeneration, reformation
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    1. 2.1Christian Theology Repentance and change to a godly life.
      • ‘Only in and through the process of conversion and practical change do we have access to the God of Jesus Christ.’
      • ‘The monastery, that is to say, is a place of continual repentance, of constantly renewed conversion.’
      • ‘Paul's conversion was a life-long process that consisted of any number of revelations and encounters with the living Spirit of the Risen Christ.’
      • ‘The literary masterpiece Barrow draws on to illumine the path of conversion and repentance is Dante's Purgatorio.’
      • ‘Saturday morning I lectured for another three hours on conversion and repentance.’
      remorse, contrition, contriteness, penitence, sorrow, sorrowfulness, regret, ruefulness, remorsefulness, pangs of conscience, prickings of conscience, shame, guilt, self-reproach, self-condemnation, compunction
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  • 3American Football
    The act of scoring an extra point or points after having scored a touchdown.

    • ‘After that go-ahead touchdown, Murdoch ran in a two-point conversion.’
    • ‘The colleges introduced two-point conversions in 1957.’
    • ‘Throw a touchdown pass and then perhaps go for a two-point conversion if you think it's worth the risk, Jeff!’
    • ‘He bagged two touchdowns, four conversions and a penalty.’
    • ‘If this monotonous mess doesn't end after two overtimes, teams are forced to go for two points on touchdown conversions.’
    1. 3.1The act of gaining a first down.
      • ‘They also were fifth in fewest third-down conversions allowed and second in fewest first-downs allowed.’
      • ‘The Irish were 0-for-13 on third-down conversions and managed just four first downs.’
      • ‘All three of Williams' catches against the Chiefs were good for first-down conversions on third down.’
  • 4(in the context of online marketing) the proportion of people viewing an advertisement and going on to buy the product, click on a link, etc.

    ‘you'll see better conversion rates for your local advertising if you include your physical address on your website’
    ‘keeping things simple will improve conversion’
    • ‘I had a client who got all excited about tiny traffic increases, but I proved to them that a small change could boost conversions by 20%, and they barely cared.’
    • ‘Simple adjustments such as color, wording, and content placement have been proven to increase conversion rates by upwards of 40 percent.’
    • ‘Online businesses continue to focus heavily on customer acquisition marketing, but by redirecting the same level of investment into improving conversion performance, organisations stand to see far greater returns.’
    • ‘Tweaking your landing page is the most cost-effective way to improve your conversion rate.’
    • ‘Any advertiser who is interested in increasing conversions on their website will find Website Optimizer useful.’
    • ‘Research has shown that an improvement in site speed can increase conversions.’
    • ‘Strange as it sounds these logos will in fact reinforce trust and increase conversion rates.’
    • ‘If you improve conversion by 1% you will make $400 a month.’
    • ‘If you see that successful pages all have one thing in common, you can start testing these on other sections to increase conversions across your whole site.’
    • ‘He says that some catalogs have seen conversion rates increase by one-third.’
  • 5Law
    The action of wrongfully dealing with goods in a manner inconsistent with the owner's rights.

    ‘he was found guilty of the fraudulent conversion of clients' monies’
    • ‘He faces 47 charges of false pretences, forgery and fraudulent conversion between 1995 and April 2001.’
    • ‘The legislation will simplify the law on larceny, fraudulent conversion, forgery and embezzlement.’
    • ‘After two years on remand, he pleads guilty to charges of fraudulent conversion of clients' funds and is sentenced to five years in jail less remission for good behaviour and the time he has already spent awaiting trial.’
    • ‘Dishonesty is not an essential ingredient of the tort of conversion.’
    • ‘This case is not however authority for the proposition that the exercise of a lien against the would-be seller would amount to conversion against the true owner.’
  • 6Physics
    The change in a quantity's numerical value as a result of using a different unit of measurement.

    • ‘Page 494 includes a listing of common conversions for weights and measures.’
    • ‘Then, assuming you are expected to give the answer in m/s, your next line would be a unit conversion.’
    • ‘Even units conversion and local coordinate systems can play small parts in reducing the accuracy of the geometry.’
    • ‘Such a range can hardly be attributed to mistakes in the conversion of measurement units.’
  • 7Psychiatry
    The manifestation of a mental disturbance as a physical disorder or disease.

    [as modifier] ‘conversion disorders’
    • ‘What she did have was a form of conversion disorder.’
    • ‘As many as 4% of those attending neurology outpatient clinics in the United Kingdom have been estimated to have conversion disorders.’
    • ‘But hysteria lives on today in a different guise - conversion disorder.’
    • ‘Moreover, in this process of hysterical conversion, symptoms are not arbitrary and meaningless phenomena but complex symbolizations of repressed psychological experiences.’
    • ‘It was concluded that the present results provide evidence of a relationship between childhood traumatization and conversion disorder.’


Middle English (in the sense turning of sinners to God): via Old French from Latin conversio(n-), from convers- turned around from the verb convertere (see convert).