/ ˌɪntəˈfɪərəns; NAmE -tərˈfɪr-/ noun [ U ]
1.
interference (in sth) the act of interfering :
They resent foreign interference in the internal affairs of their country.
2.
interruption of a radio signal by another signal on a similar wavelength , causing extra noise that is not wanted
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IDIOMS
- run interference
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WORD ORIGIN
mid 18th cent.: from interfere , on the pattern of words such as difference .