near field noun 2near-field adjective 1forms 2 noun2 •The region within a distance a fraction of a wavelength from a sound source. Accordingly, the outer boundary of the near-field region is closer for high-pitched sound than for low-pitched sound. •The region within about half a wavelength from an electrically small antenna. More specifically it is the region within the radiansphere. near-field adjective1 •In loudspeaker acoustics, referring to a region where the intensity of direct, unreflected sound from the source (such as a loudspeaker) is significantly dominant over any indirect or reflected sound. formsnear fields · near-fields
