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Meaning of “interference” in the English Dictionary

"interference" in British English

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interferencenoun [U]

uk   /ˌɪn.təˈfɪə.rəns/  us   /ˌɪn.t̬ɚˈfɪr.əns/
C1 an occasion when someone tries to interfere in a situation: She seems to regard any advice or help from me as interference. The government's interference in the strike has been widely criticized.
C2 noise or other electronic signals that stop you from getting good pictures or sound on a television or radio

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(Definition of interference from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"interference" in American English

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interferencenoun [U]

 us   /ˌɪn·tərˈfɪər·əns/
On the radio, television, or telephone, interference is noise, lines, etc., that prevent a clear sound or picture from being received.
physics Interference between two waves happens when they have the same frequency and produce a force that is either stronger or weaker than one wave alone.
In sports, interference is an action that is against the rules which prevents an opposing player from completing a play.
(Definition of interference from the Cambridge Academic Content Dictionary © Cambridge University Press)
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