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CHROMOSPHERE

 - 3 dictionary results

chro⋅mo⋅sphere

  [kroh-muh-sfeer]
Use CHROMOSPHERE in a Sentence
–noun Astronomy.
1. a scarlet, gaseous envelope surrounding the sun outside the photosphere, from which enormous quantities of hydrogen and other gases are erupted.
2. a gaseous envelope surrounding a star.
Origin:
1865–70; chromo- + -sphere

Related forms:
chro⋅mo⋅spher⋅ic  [kroh-muh-sfer-ik, -sfeer-] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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chro·mo·sphere   (krō'mə-sfîr')   
n.  

  1. An incandescent, transparent layer of gas, primarily hydrogen, several thousand miles in depth, lying above and surrounding the photosphere of a star, such as the sun, but distinctly separate from the corona.

  2. A gaseous layer similar to a chromosphere around a star.

chro'mo·spher'ic (-sfîr'ĭk, -sfěr'-) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
chromosphere   (krō'mə-sfîr')  Pronunciation Key 
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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