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单词 chromosphere
释义

chromospheren.

/ˈkrəʊməsfɪə/
Etymology: < chromo- comb. form 2 + sphere n.The form of this word has been objected to in favour of chromatosphere. But although the latter shows the usual Greek type of compounds from nouns in -μα, -ματ-, the shortened form was also used: see e.g. the compounds in σπερμο- for σπερματο-, also those in ὑδρο- not ὑδατο-.
Astronomy.
The red gaseous envelope round the sun, outside the photosphere. stellar chromosphere: the gaseous envelope supposed to exist round a star.
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the world > the universe > sun > [noun] > chromosphere
sierra1851
chromosphere1868
chromatosphere1871
1868 Lockyer in Philos. Trans. (Royal Soc.) 19 Nov. 159 430 The continuity of this envelope, which I propose to name the Chromosphere, a name suggested by Dr. Sharpey.
1871 H. E. Roscoe Lessons Elem. Chem. (new ed.) xxvi. 288 Hydrogen..is found to exist in large quantity surrounding the luminous portions of the sun's body as a zone of incandescent gas, termed the solar chromosphere.
1878 T. H. Huxley Physiography (ed. 2) xxi. 367 Above the luminous photosphere is another envelope known as the chromosphere.
1879 S. Newcomb & E. S. Holden Astron. for Schools & Coll. 304 The chromosphere or sierra.
This entry has not yet been fully updated (first published 1889; most recently modified version published online March 2022).
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n.1868
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