Definition of interference
1a
: the act or process of interfering
b
: something that interferes : obstruction
2a
: the illegal hindering of an opponent in sports
b
: the legal blocking of an opponent in football to make way for the ballcarrier
3a
: confusion of a received radio signal due to the presence of noise (such as atmospherics) or signals from two or more transmitters on a single frequency
b
: something that produces such confusion
4
: the mutual effect on meeting of two wave trains (as of light or sound) that constitutes alternating areas of increased and decreased amplitude (such as light and dark lines or louder and softer sound)
5
: partial or complete inhibition or sometimes facilitation of other genetic crossovers in the vicinity of a chromosomal locus where a preceding crossover has occurred
6
: the disturbing effect of new learning on the performance of previously learned behavior with which it is inconsistent
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Merriam-Webster unabridged
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Time Traveler for interference
The first known use of interference was in 1783
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