nullinggerund / present participle Used attributively to describe devices or actions that cancel or reduce a signal or effect.
Definitions
Serving to cancel out, reduce to zero, or eliminate a signal, effect, or measurement. The nulling amplifier suppresses background noise in the circuit.
Transitive; chiefly technical. Means to make or set to zero, cancel, or invalidate.
Definitions
To render or set to zero, cancel out, or invalidate. The technician nulled the scale before weighing the sample.