chromosphere

[ kroh-muh-sfeer ]

/ ˈkroʊ məˌsfɪər /

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noun Astronomy.

a scarlet, gaseous envelope surrounding the sun outside the photosphere, from which enormous quantities of hydrogen and other gases are erupted.

a gaseous envelope surrounding a star.

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Origin of chromosphere

First recorded in 1865–70; chromo- + -sphere

OTHER WORDS FROM chromosphere

chro·mo·spher·ic

[kroh-muh-sfer-ik, -sfeer-], /ˌkroʊ məˈsfɛr ɪk, -ˈsfɪər-/, adjective

Words nearby chromosphere

chromosome, chromosome band, chromosome map, chromosome number, chromosomes, chromosphere, chromous, chromy, chromyl, chron-, chronaxie

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use chromosphere in a sentence

One more picture of prominences (Fig. 80) is introduced to show the continuous stretch of chromosphere out of which they spring.
A Text-Book of Astronomy|George C. Comstock
In the same way as the corona, the chromosphere and prominences were for a time supposed to belong to the moon.
Astronomy of To-day|Cecil G. Dolmage
When the chromosphere, in its turn during a total eclipse, has been covered by the moon, the corona alone is left.
Astronomy of To-day|Cecil G. Dolmage
The Corona lies next in order outside the chromosphere, and is, so far as we know, the outermost of the accompaniments of the sun.
Astronomy of To-day|Cecil G. Dolmage

The eruptive prominences spurt up directly from the chromosphere with immense speeds, and change their shape with great rapidity.
Astronomy of To-day|Cecil G. Dolmage

British Dictionary definitions for chromosphere

chromosphere

/ (ˈkrəʊməˌsfɪə) /

noun

a gaseous layer of the sun's atmosphere extending from the photosphere to the corona and visible during a total eclipse of the sun

Derived forms of chromosphere

chromospheric (ˌkrəʊməˈsfɛrɪk), adjective

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

Scientific definitions for chromosphere

chromosphere

[ krō′mə-sfîr′ ]

A glowing, transparent layer of gas surrounding the photosphere of a star. The Sun's chromosphere is several thousand kilometers thick, is composed mainly of hydrogen at temperatures of 6,000° to 20,000°K, and gives off reddish light.