spectrohelioscope


spec·tro·he·lio·scope

noun \-ˈhē-lē-ə-ˌskōp\

Definition of SPECTROHELIOSCOPE

2
:  an instrument similar to a spectroheliograph used for visual as distinguished from photographic observations

Origin of SPECTROHELIOSCOPE

International Scientific Vocabulary
First Known Use: 1906

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