spectrohelioscope

American

[spek-troh-hee-lee-uh-skohp] / ˌspɛk troʊˈhi li əˌskoʊp /

noun

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

spectrohelioscope British

/ ˌspɛktrəʊˈhiːlɪəʊˌskəʊp, ˌspɛktrəʊˌhiːlɪəʊˈskɒpɪk /

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

spectrohelioscopic adjective

Etymology

Origin of spectrohelioscope

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Astronomer Lucien d'Azambuja of the Paris Observatory at Meudon peered at solar photographs made with his powerful spectrohelioscope, found flaring "prominences'" shooting out 90,000 to 180,000 miles from the surface.

From Time Magazine Archive

Dr. I. M. Levitt of Franklin Institute comes out every day to make solar observations on the Cook spectrohelioscope.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023