Oxford Dictionary English

    halve

    verb
    verb
    BrE BrE//hɑːv//
    ; NAmE NAmE//hæv//
    Verb Forms present simple I / you / we / they halve
    BrE BrE//hɑːv//
    ; NAmE NAmE//hæv//
     he / she / it halves
    BrE BrE//hɑːvz//
    ; NAmE NAmE//hævz//
     past simple halved
    BrE BrE//hɑːvd//
    ; NAmE NAmE//hævd//
     past participle halved
    BrE BrE//hɑːvd//
    ; NAmE NAmE//hævd//
     -ing form halving
    BrE BrE//ˈhɑːvɪŋ//
    ; NAmE NAmE//ˈhævɪŋ//
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  1. 1[intransitive, transitive] to reduce by a half; to make something reduce by a half The shares have halved in value. halve something The company is halving its prices. Oxford Collocations Dictionary adverbmore than, almost, nearly, … prepositionin, to See full entry
  2. 2[transitive] halve something to divide something into two equal parts
    3.  Word OriginMiddle English: from half.Idioms
    a trouble shared is a trouble halved
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    (saying) if you talk to somebody about your problems and worries, instead of keeping them to yourself, they seem less serious
See halve in the Oxford Learner's Dictionary of Academic EnglishSee halve in the Oxford Advanced American Dictionary
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