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spectrogram
spectrograph
spectroheliogram
spectroheliograph
spectrohelioscope
spectrometer
spectrophotometer
spectropolarimeter
spectroscope
spectroscopic analysis
spectroscopy
spectrum
specula
specular
speculate
speculation
speculative
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spectral
spec·tral [ spéktrəl ]


adjective 
Definition:
 
1. ghostly: relating to specters or in the form of a specter
2. of spectrum: produced by a spectrum or relating to a spectrum

spec·tral·i·ty [ spek trállətee ] noun
spec·tral·ly [ spéktrəlee ] adverb
spec·tral·ness [ spéktrəlnəss ] noun
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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