Definition of Near field

1. Noun. In physical acoustics, the region of space 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. ¹

2. Noun. In radio-frequency electromagnetic technology, the region within about half a wavelength from an electrically small antennaCharles Capps, [ Near field or far field?] EDN, August 16, 2001, pp. 95-102.. More specifically it is the region within the radiansphereWheeler, H.A.; "The Radiansphere around a Small Antenna"; Proceedings of the IRE Aug. 1959, Volume: 47 Issue:8 pp: 1325 - 1331. 10.1109/JRPROC.1959.287198 . ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Near Field

near(a)
near-Earth object
near-blind
near-death experience
near-death experiences
near-field
near-fields
near-minimal pair
near-minimal pairs
near-sighted
near-sightedness
near-term
near-total thyroidectomy
near beer
near drowning
near field (current term)
near fields
near gale
near infrared
near miss
near misses
near point
near point of convergence
near point of the eye
near points
near post
near reaction
near reflex
near sight
near sighted

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