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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 optics
e·lec·tron op·tics


noun 
Definition:
 
study of electron beams: the science that deals with the direction, deflection, or focusing of beams of electrons by electric and magnetic fields, e.g. in electron lenses ( takes a singular verb )

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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