To bring trouble upon.
To interfere.
The act of interfering with something, or something that interferes.
The illegal obstruction of an opponent in some ball games.
An effect caused by the superposition of two systems of waves.
In United States patent law, an inter partes proceeding to determine the priority issues of multiple patent applications; a priority contest.
The interruption of the line between an attacked piece and its defender by sacrificially interposing a piece.
The situation where a person who knows two languages inappropriately transfers lexical items or structures from one to the other.
A distortion on a broadcast signal due to atmospheric or other effects.