See Also: Gunn(dictionary)
Gunn phenomenon(medicine)
Gunn's dots(medicine)
Gunn's sign(medicine)
Gunn's syndrome(medicine)
Martha Gunn(dictionary)
rats, gunn(medicine)
Gunn pupil(medicine)
Gunn's crossing sign(medicine)
Marcus Gunn syndrome(medicine)

Gunn (iou)



Gunn noun. M20.
[J. B. Gunn (b. 1928), physicist.]
Electronics. Gunn effect, an effect in some semiconductors in which a constant electric field greater than a threshold value, applied between opposite faces of a thin piece of the material, results in an oscillatory current with a frequency in the microwave region. Hence Gunn diode, a semiconductor diode in which the Gunn effect occurs.