Definition of conversion in English:



  • 1The process of changing or causing something to change from one form to another.

    ‘the conversion of food into body tissues’
    • ‘Any process of conversion must be essentially artificial.’
    • ‘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.’
    • ‘The characteristics of the transformed films and of the process by which conversion occurs challenge current models of the stable surfactant film.’
    • ‘After ingestion, the process of conversion of folic acid to the metabolically active coenzyme forms is relatively complex.’
    • ‘The exhibits explaining the process of bio energy conversion with sewage water would have been music to the ears of die-hard environmentalists.’
    • ‘Lasers are able to produce a range of biological responses in tissue determined by the various processes of energy conversion within biomolecules.’
    • ‘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.’
    • ‘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.’
    • ‘These structures can be more fully exploited in the process of digital conversion of the material.’
    • ‘Workers were set to resume the final steps of conversion, a process that precedes enrichment.’
    • ‘How do I know my system works properly after conversion?’
    • ‘Let's assume that our team has the responsibility to build out a Web service supporting currency conversion.’
    • ‘Shortly thereafter, the government proposed conversion from a monarchy to a republic with an elected president replacing the British monarch as chief of state.’
    • ‘But to do the conversion properly people need to know €1 equals £0.787564.’
    • ‘One farm is about to achieve organic status and another is in the process of conversion.’
    • ‘The company was experiencing several challenges related to their data analysis, conversion and storage processes.’
    • ‘Consider conversion of existing support units based on availability of contract support in wartime.’
    • ‘Within the inalienability of entailed real property was concealed the conversion of Parliamentary seats into a cash value.’
    • ‘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).’
    • ‘The expenditure during the quarter ended June 2002 includes costs incurred towards the process of conversion of the company into a commercial bank.’
    change, changing, transformation, turning, altering, metamorphosis, transfiguration, transmutation, translation, sea change
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    1. 1.1The adaptation of a building or part of a building for a new use.
      ‘the conversion of a house into flats’
      [count noun] ‘they were carrying out a loft conversion’
      • ‘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.’
      • ‘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.’
      • ‘There is also an integrated double garage for which there is planning permission for conversion into dual level self-contained accommodation.’
      • ‘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.’
      • ‘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.’
      • ‘Kennet has offered grant aid of £25,000 towards the repair and conversion of the building.’
      • ‘Well we're all fairly sad to see the village shop being boarded up for conversion into two houses.’
      • ‘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.’
      • ‘On hearing these concerns, the council agreed to market the building for conversion to housing.’
      • ‘Planning permission to carry out the major conversion work on the building and create 22 apartments was granted in May.’
      • ‘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.’
      • ‘The conversion of an existing building from a non-occupied use into residential living space typically requires several things to meet the building codes.’
      • ‘In the smaller villages only conversion of existing buildings to residential use will be permitted.’
      • ‘With military precision, building conversion went ahead at top speed.’
      • ‘The building's conversion into a large gallery required internal reorganization.’
      • ‘Apart from minor rebuilding necessary for conversion, the buildings will retain their present appearance.’
      • ‘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.’
      • ‘There is nothing illogical about treating conversion of buildings other than agricultural ones on their merits.’
      • ‘Finally he stated that retention and conversion of the existing building was not viable.’
      adaptation, reconstruction, rebuilding, redevelopment, refashioning, redesign, restyling, revamping
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    2. 1.2British [count noun]A building that has been adapted for a new use.
      ‘high-quality cottages and barn conversions’
      • ‘Andy's flat (I suppose I should call it an apartment really) is a beautiful loft conversion - one of those one big room affairs.’
      • ‘It's a gorgeous split level apartment on the fourth floor of a school conversion in Camberwell.’
      • ‘‘The warehouse conversions in London were really coming of age,’ recalls Wayne.’
      • ‘The policy also includes new property developments in existing buildings such as barn conversions.’
      • ‘The accommodation is completed by an impressive attic conversion with separate landing overhead.’
      • ‘Other hot properties in Bradford include conversions at Victorian buildings including Silens Mill, in Little Germany, and Ivegate House, near City Hall.’
      • ‘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.’
      • ‘A handful of the buildings are complete town houses, but most are upmarket conversions with Jeeps and Range Rovers parked outside.’
      • ‘The plans for a side extension, replacement of existing roof and loft conversion were considered by the town council planning committee last week.’
      • ‘The potential exists to create one - or possibly more - residential conversions.’
      • ‘Shop conversions have become increasingly popular as traditional corner stores have been forced to close.’
      • ‘Another option may be a loft or basement conversion, or just a ‘re-ordering’ of the space you currently have.’
      • ‘Durable and seamlessly stylish, glossy resin looks beautiful in open-plan areas and warehouse 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.’
      • ‘Much of the work relates to house extensions and conversions where applications have increased by 40 per cent.’
      • ‘Over the last ten years in the Craven District Council area, permission was granted for 188 conversions and 188 new buildings.’
      • ‘They include conversions at Victorian buildings including Silens Mill, in Little Germany, and Ivegate House, near City Hall.’
      • ‘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 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.’
    3. 1.3Law The changing of real property into personalty, or of joint into separate property, or vice versa.
      • ‘Second, he claims a right to possession under the property law principles of trover and conversion.’
      • ‘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.’
      • ‘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.’
      • ‘A fortunate few have previously negotiated conversion from lease to proper title with the former laird for just the cost of the legal expenses.’
    4. 1.4Logic The transposition of the subject and predicate of a proposition according to certain rules to form a new proposition by inference.
      • ‘The operations of conversion, obversion, and contraposition are applied to categorical propositions to yield new categorical propositions - these can become immediate arguments.’
      • ‘This is a known transformation in logic, and is called conversion by contraposition, or negative conversion.’
  • 2The fact of changing one's religion or beliefs or the action of persuading someone else to change theirs.

    ‘he insists that real conversion is a matter of the heart’
    [count noun] ‘his passion for seventeenth-century literature had led the former atheist to a sudden conversion’
    • ‘We discuss the role of caste in the process of conversion.’
    • ‘The sanction, moreover, would only be applied in cases of formal conversion to another religion.’
    • ‘In the eighteenth century the goal of mission was seen primarily as conversion from idolatry and religious perversion.’
    • ‘These tensions over religious liberty come to a head over two types of religious action: conversion and proselytizing.’
    • ‘For now, I wish to move on to the changes this religious conversion made in my life and to me as a person.’
    • ‘The texts of these religions give conversion theological significance.’
    • ‘In most observed cases religious conversion did not give rise to a particular ‘capitalist spirit’ or economic success.’
    • ‘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.’
    • ‘Its spread, from about 700 AD, was mainly a peaceful process of gradual conversion.’
    • ‘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.’
    • ‘The most fundamental religious experience of Newman's life was his adolescent conversion to evangelical religion.’
    • ‘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.’
    • ‘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.’
    • ‘Recent years have seen the mass conversion to religion of hitherto agnostic parents.’
    • ‘James is speaking of those who are for one reason or another incapable of religious 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.’
    • ‘They were not as amenable to conversion to the official religions of the Roman Empire as the other pagan peoples the Roman has conquered.’
    • ‘Adolescence and young adulthood is also the life stage when religious conversion is most likely to take place.’
    spiritual rebirth, regeneration, reformation
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    1. 2.1Christian Theology Repentance and change to a godly life.
      ‘the individual's responsibility in conversion is to repent and believe’
      • ‘Saturday morning I lectured for another three hours on conversion and repentance.’
      • ‘Only in and through the process of conversion and practical change do we have access to the God of Jesus Christ.’
      • ‘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 monastery, that is to say, is a place of continual repentance, of constantly renewed conversion.’
      • ‘The literary masterpiece Barrow draws on to illumine the path of conversion and repentance is Dante's Purgatorio.’
      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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  • 3Rugby
    [count noun] A successful kick at goal after a try, scoring two points.

    ‘Gavin Hastings landed one penalty and one conversion’
    • ‘Full-back Gavin Douglas capped a fine display with two penalties, two conversions and a drop goal.’
    • ‘Marcus Edwards, Scarborough's influential fly half, was instrumental in most of Scarborough's scoring, kicking all the conversions and a penalty goal.’
    • ‘Scotland's kicking specialist contributed 71 points - three tries, seven conversions, 13 penalties and one drop goal.’
    • ‘Andy Bowness kicked a great conversion to level the scores from the right hand touchline.’
    • ‘Bob Brown scored three conversions and two drop goals.’
    1. 3.1American Football An act of converting a touchdown or a down.
      • ‘After that go-ahead touchdown, Murdoch ran in a two-point conversion.’
      • ‘He bagged two touchdowns, four conversions and a penalty.’
      • ‘Throw a touchdown pass and then perhaps go for a two-point conversion if you think it's worth the risk, Jeff!’
      • ‘If this monotonous mess doesn't end after two overtimes, teams are forced to go for two points on touchdown conversions.’
      • ‘The colleges introduced two-point conversions in 1957.’
  • 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’
    • ‘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.’
    • ‘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.’
    • ‘Any advertiser who is interested in increasing conversions on their website will find Website Optimizer useful.’
    • ‘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.’
    • ‘Simple adjustments such as color, wording, and content placement have been proven to increase conversion rates by upwards of 40 percent.’
    • ‘Research has shown that an improvement in site speed can increase conversions.’
    • ‘He says that some catalogs have seen conversion rates increase by one-third.’
    • ‘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.’
  • 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’
    • ‘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.’
    • ‘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.’
    • ‘He faces 47 charges of false pretences, forgery and fraudulent conversion between 1995 and April 2001.’
    • ‘Dishonesty is not an essential ingredient of the tort of conversion.’
    • ‘The legislation will simplify the law on larceny, fraudulent conversion, forgery and embezzlement.’
  • 6Psychiatry
    The manifestation of a mental disturbance as a physical disorder or disease.

    [as modifier] ‘conversion disorders’
    • ‘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.’
    • ‘What she did have was a form of conversion disorder.’
    • ‘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 about, from the verb convertere (see convert).