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Also available:
World English Dictionary
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sound spectrograph
sound spec·tro·graph
(
plural
sound spec·tro·graphs
)
noun
Definition:
instrument representing sound graphically:
an electronic instrument that makes a graphic representation of sound qualities
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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