English

Definition of approximate verb from the Oxford Advanced Learner's Dictionary

      

    approximate

     verb
    verb
    BrE BrE//əˈprɒksɪmeɪt//
     
    ; NAmE NAmE//əˈprɑːksɪmeɪt//
     
    (formal)Verb Forms present simple I / you / we / they approximate
    BrE BrE//əˈprɒksɪmeɪt//
     
    ; NAmE NAmE//əˈprɑːksɪmeɪt//
     
    he / she / it approximates
    BrE BrE//əˈprɒksɪmeɪts//
     
    ; NAmE NAmE//əˈprɑːksɪmeɪts//
     
    past simple approximated
    BrE BrE//əˈprɒksɪmeɪtɪd//
     
    ; NAmE NAmE//əˈprɑːksɪmeɪtɪd//
     
    past participle approximated
    BrE BrE//əˈprɒksɪmeɪtɪd//
     
    ; NAmE NAmE//əˈprɑːksɪmeɪtɪd//
     
    -ing form approximating
    BrE BrE//əˈprɒksɪmeɪtɪŋ//
     
    ; NAmE NAmE//əˈprɑːksɪmeɪtɪŋ//
     
     
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  1. 1[transitive, intransitive] to be similar or close to something in nature, quality, amount, etc., but not exactly the same approximate something The animals were reared in conditions which approximated the wild as closely as possible. The total cost will approximate £15 billion. approximate to something His story approximates to the facts that we already know.
  2. 2[transitive] approximate something to calculate or estimate something fairly accurately a formula for approximating the weight of a horse More Like This Pronunciation changes by part of speech abuse, alternate, advocate, approximate, contract, converse, convict, decrease, delegate, discount, duplicate, estimate, export, extract, graduate, import, intimate, moderate, object, permit, present, protest, record, refund, refuse, subject, suspect, survey, torment, upgradeSee worksheet.
  3. Word Origin late Middle English (in the adjectival sense ‘close, similar’): from late Latin approximatus, past participle of approximare, from ad- ‘to’ + proximus ‘very near’. The verb (originally meaning ‘bring close’) arose in the mid 17th cent.; the current use as an adjective dates from the early 19th cent.
See the Oxford Advanced American Dictionary entry: approximate

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