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differentiation
differing
difficult
difficulty
diffident
diffract
diffraction
diffraction grating
diffraction ring
diffractometer
diffuse (1)
diffuse (2)
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differential amplifier
dif·fer·en·tial am·pli·fi·er (plural dif·fer·en·tial am·pli·fi·ers)


noun 
Definition:
 
amplifier with output difference of inputs: an amplifier whose output is related to the difference between its two inputs
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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