Leucosphere

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Leucosphere (Astron) The inner corona.
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Century Dictionary and Cyclopedia
    • n leucosphere 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.
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Etymology

Webster's Revised Unabridged Dictionary
Leuco-, + sphere,