spec·tro·he·li·o·scope
(spĕk′trō-hē′lē-ə-skōp′)n. An instrument that combines a solar telescope and a spectroscope and is used to observe a narrow band of solar radiation.
spec′tro·he′li·o·scop′ic (-skŏp′ĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
spectrohelioscope
(ˌspɛktrəʊˈhiːlɪəʊˌskəʊp) n (General Physics) an instrument, similar to the spectroheliograph, used for observing solar radiation at one particular wavelength
spectrohelioscopic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
spec•tro•he•li•o•scope
(ˌspɛk troʊˈhi li əˌskoʊp)
n. an apparatus, similar to a spectroheliograph, used for visual instead of photographic observations.
[1925–30]
spec`tro•he`li•o•scop′ic (-ˈskɒp ɪk) adj.
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