Meaning of INTERFERENCE in English

INTERFERENCE

[noun] [U]She seems to regard any advice or help from me as interference.The government's interference in the strike has been widely criticized.On a radio or television, interference is any sound, lines or colour etc. that comes from unwanted signals and prevents a clear sound or picture being received.The radio's appalling in this car - there's so much interference I can't hear it properly.

Cambridge English vocab.      Кембриджский английский словарь.