an instrument, similar to the spectroheliograph, used for observing solar radiation at one particular wavelength
Derived forms
spectrohelioscopic (ˌspɛktrəʊˌhiːlɪəʊˈskɒpɪk)
adjective
spectrohelioscope in American English
(ˌspɛktroʊˈhiliəˌskoʊp)
US
noun
a spectroheliograph adapted for visual use
spectrohelioscope in American English
(ˌspektrouˈhiliəˌskoup)
noun
1.
a spectroheliograph
2.
a similar instrument, used for visual instead of photographic observations
Derived forms
spectrohelioscopic (ˌspektrouˌhiliəˈskɑpɪk)
adjective
Word origin
[1925–30; spectro- + helio- + -scope]This word is first recorded in the period 1925–30. Other words that entered Englishat around the same time include: gimmick, hot spot, payload, reflex camera, turnaroundspectro- is a combining form representing spectrum in compound words. Other words that use the affix spectro- include: spectrobolometer, spectrofluorimeter, spectrophotoelectric, spectroradiometer, spectroscopy; -scope is a combining form meaning “instrument for viewing,” used in the formation of compoundwords. Other words that use the affix -scope include: fiberscope, kaleidoscope, laparoscope, stereoscope, stroboscope