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interference


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Definition of interference

noun

[mass noun]
  • 1the action of interfering or the process of being interfered with:concerns about government interference in church life [count noun]:an unwarranted interference with personal liberty
  • American Football the legal blocking of an opponent to clear a way for the ball carrier.
  • (in ice hockey and other sports) the illegal hindering of an opponent not in possession of the puck or ball.
  • 2 Physics the combination of two or more electromagnetic waveforms to form a resultant wave in which the displacement is either reinforced or cancelled.
  • the fading or disturbance of received radio signals caused by unwanted signals from other sources, such as unshielded electrical equipment, or broadcasts from other channels.

Phrases

run interference

American Football move in such a way as to cause interference.
North American informal intervene on someone’s behalf, typically so as to protect them from distraction or annoyance:Elizabeth was quick to run interference and said that the Professor would be very busy

Derivatives

interferential

Pronunciation: /-fəˈrɛnʃ(ə)l/

adjective

Origin:

mid 18th century: from interfere, on the pattern of words such as difference

interference in other Oxford dictionaries

Definition of interference in the US English dictionary