Dictionary
field'-e•mis•sion mi"croscope
Pronunciation: (fēld'i-mish"un), [key]a device in which electrons liberated by field emission are accelerated toward a fluorescent screen to form a magnified image of the emitting surface. Cf.
field-ion microscope.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.