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electron transport
electron tube
electron volt
electronegative
electronegativity
electronic
electronic article surveillance
electronic bill presentment and payment
electronic book
electronic check
electronic church
electronic configuration
electronic data capture
electronic data gathering and retrieval
electronic data processing
electronic depository transfer
electronic envelope
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electron lens
e·lec·tron lens (plural e·lec·tron lens·es)


noun 
Definition:
 
device to control an electron beam: a device that creates an electric or magnetic field around the path of an electron beam so that the beam may be focused
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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