spectrohelioscope

[ spek-troh-hee-lee-uh-skohp ]

noun

1. a spectroheliograph.
2. a similar instrument, used for visual instead of photographic observations.

spectrohelioscope

/ ˌspɛktrəʊˈhiːlɪəʊˌskəʊp; ˌspɛktrəʊˌhiːlɪəʊˈskɒpɪk /

noun

1. an instrument, similar to the spectroheliograph, used for observing solar radiation at one particular wavelength

Derived Forms

• spectrohelioscopic, adjective

Other Words From

• spec·tro·he·li·o·scop·ic [spek-troh-hee-lee-, uh, -, skop, -ik], adjective

Word History and Origins

Origin of spectrohelioscope¹

First recorded in 1925–30; spectro- + helio- + -scope