Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The inner corona.

from the GNU version of the Collaborative International Dictionary of English

  • n. The inner corona.

from The Century Dictionary and Cyclopedia

  • n. A name coined by Lockyer for the inner portion of the sun′ s corona: so called because of its whiteness, in contrast with the scarlet chromosphere.

Etymologies

leuco- +‎ sphere (Wiktionary)

Examples

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