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English definition of “modification”

modification

noun [C or U] (CHANGE)    /ˌmɒd.ɪ.fɪˈkeɪ.ʃən/ US  /ˌmɑː.dɪ-/
C1 a change to something, usually to improve it: Modification of the engine to run on lead-free fuel is fairly simple. A couple of modifications and the speech will be perfect.Adapting and modifying ChangingAdapting and attuning to something
(Definition of modification noun (CHANGE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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