photosphericadj.

Brit.

/ˌfəʊtəˈsfɛrɪk/, U.S.

/ˌfoʊdəˈsfɛrɪk/

Origin: Formed within English, by compounding. Etymons: photo- comb. form, spheric adj.

Etymology: < photo- comb. form + spheric adj., after photosphere n. Compare French photosphérique (1877).

Astronomy.

Of or relating to the photosphere of the sun or other star.

ΘΚΠ

the world > the universe > sun > [adjective] > photosphere

photospheric1865

1865 Reader 7 Jan. 16/3 Photospheric clouds affecting forms reminding one of the flocculent mass of an incandescent metal, in suspension in a liquid.

1878 S. Newcomb Pop. Astron. iii. ii. 266 Above the photospheric layer [of the sun] lies an atmosphere of a very complex nature.

1923 Discovery Sept. 245/1 Its [sc. the corona's] spectrum consists in part of reflected photospheric light and in part of bright lines.

1970 Jrnl. Brit. Astron. Assoc. 80 205 The identification of chromospheric and photospheric structures in non-flaring regions to the field configuration.

1992 S. P. Maran Astron. & Astrophysics Encycl. 59/1 The resonance lines of three-times ionized carbon and silicon are present in VV Cephei. They are never observed..in the photospheric and chromospheric spectra of A-type stars.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	photospheric
释义	photosphericadj. Brit. /ˌfəʊtəˈsfɛrɪk/, U.S. /ˌfoʊdəˈsfɛrɪk/ Origin: Formed within English, by compounding. Etymons: photo- comb. form, spheric adj. Etymology: < photo- comb. form + spheric adj., after photosphere n. Compare French photosphérique (1877). Astronomy. Of or relating to the photosphere of the sun or other star. ΘΚΠ the world > the universe > sun > [adjective] > photosphere photospheric1865 1865 Reader 7 Jan. 16/3 Photospheric clouds affecting forms reminding one of the flocculent mass of an incandescent metal, in suspension in a liquid. 1878 S. Newcomb Pop. Astron. iii. ii. 266 Above the photospheric layer [of the sun] lies an atmosphere of a very complex nature. 1923 Discovery Sept. 245/1 Its [sc. the corona's] spectrum consists in part of reflected photospheric light and in part of bright lines. 1970 Jrnl. Brit. Astron. Assoc. 80 205 The identification of chromospheric and photospheric structures in non-flaring regions to the field configuration. 1992 S. P. Maran Astron. & Astrophysics Encycl. 59/1 The resonance lines of three-times ionized carbon and silicon are present in VV Cephei. They are never observed..in the photospheric and chromospheric spectra of A-type stars. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < adj.1865
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