chromosphere

noun

chro·​mo·​sphere ˈkrō-mə-ˌsfir How to pronounce chromosphere (audio)
: the region of the atmosphere of a star (such as the sun) between the star's photosphere and its corona
chromospheric adjective

Examples of chromosphere in a Sentence

Recent Examples on the Web The image showcases the sun’s corona, its pink chromosphere and Baily’s beads, which are narrow openings of sunlight that shine through due to the moon’s rugged landscape. Samuel Sanders, Smithsonian Magazine, 5 July 2024 The chromosphere and the transition region are separate layers. Aaron Shattuck, Scientific American, 25 June 2024 The outermost layers are the photosphere (the bright surface), the chromosphere, the transition region and the corona. Rebecca Boyle, Scientific American, 1 Mar. 2024 The element helium was first detected in the Sun’s chromosphere by a French astronomer in India during a 1868 total solar eclipse in India. IEEE Spectrum, 10 Apr. 2024 See all Example Sentences for chromosphere 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'chromosphere.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

chromo- + sphere entry 1

Note: Term introduced by the English astronomer J. Norman Lockyer (1836-1920) in "Spectroscopic Observations of the Sun. No. II…Read November 19 and 26, 1868," Philosophical Transactions of the Royal Society of London, vol. 159 for the year 1869, p. 430.

First Known Use

1868, in the meaning defined above

Time Traveler
The first known use of chromosphere was in 1868

Dictionary Entries Near chromosphere

Cite this Entry

“Chromosphere.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chromosphere. Accessed 20 Aug. 2024.

Kids Definition

chromosphere

noun
chro·​mo·​sphere ˈkrō-mə-ˌsfi(ə)r How to pronounce chromosphere (audio)
: the part of the atmosphere of the sun or a star between the photosphere and corona

More from Merriam-Webster on chromosphere

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