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spectral line
spectral type
spectre
spectrin
spectro-
spectrochemistry
spectrogram
spectrograph
spectroheliogram
spectroheliograph
spectrohelioscope
spectrometer
spectrophotometer
spectropolarimeter
spectroscope
spectroscopic analysis
spectroscopy
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spectroheliogram
spec·tro·he·li·o·gram [ spèktrō hlee ə gràm ] (plural spec·tro·he·li·o·grams)


noun 
Definition:
 
image of Sun from its radiation: an image of the Sun produced using a narrow wavelength band of the radiation it emits
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