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spectacled bear
spectacular
spectate
spectator
spectator shoe
spectator sport
specter
spectinomycin
spectra
spectral
spectral class
spectral line
spectral type
spectre
spectrin
spectro-
spectrochemistry
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spectra
spec·tra
Definition:
 
physics pharmacology 
Plural of  spectrum
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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