Definition of chromosphere in English:

chromosphere

noun

Astronomy
  • A reddish gaseous layer immediately above the photosphere of the sun or another star. Together with the corona, it constitutes the star's outer atmosphere.

    ‘Prominences, flares, plages, and other features of the solar chromosphere can be observed in hydrogen light.’
    • ‘Solar flares appear as sudden, intense flashes in the chromosphere of the Sun.’
    • ‘For decades astronomers labored to get good photographs of the chromosphere, and in particular its spectrum.’
    • ‘But the hotter hydrogen in the chromosphere and corona above it is madly emitting at the same wavelength.’
    • ‘The chromosphere is the first layer of atmosphere above the sun's surface layer.’

Pronunciation

chromosphere

/ˈkrōməˌsfir/ /ˈkroʊməˌsfɪr/

Origin

Mid 19th century from chromo-‘color’ + sphere.