[ guhn ]
/ gʌn /
noun Physics, Electronics.
the onset of microwave oscillations in a thin slice of a semiconductor when a voltage exceeding a given value is applied across the slice.
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Origin of Gunn effect
Named after J. B. Gunn (1928–2006), British physicist, who discovered the effect in 1963
Words nearby Gunn effect
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for Gunn effect
/ (ɡʌn) /
a phenomenon observed in some semiconductors in which a steady electric field of magnitude greater than a threshold value generates electrical oscillations with microwave frequencies
Word Origin for Gunn effect
C20: named after John Battiscombe Gunn (1928–2008), British physicist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012