Meaning of TAMPER in English

TAMPER

/ ˈtæmpə(r); NAmE / verb

PHRASAL VERBS

- tamper with sth

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WORD ORIGIN

mid 16th cent. (in the sense busy oneself to a particular end, scheme ): alteration of the verb temper .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.