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spectate
spectator
spectator shoe
spectator sport
specter
spectinomycin
spectra
spectral
spectral class
spectral line
spectral type
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spectrochemistry
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spectral class
spec·tral class (plural spec·tral clas·ses)


noun 
Definition:
 
astronomy 
Same as  spectral type
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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