Facula (noun) Definition, Meaning & Examples

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noun, plural fac·u·lae [fak-yuh-lee]. /ˈfæk yəˌli/. Astronomy.
  1. an irregular, unusually bright patch on the sun's surface.
noun plural -lae (-ˌliː)
  1. any of the bright areas on the sun's surface, usually appearing just before a sunspot and subject to the same 11-year cycle
Plural faculae (făk′yə-lē′)
    Facula (noun) Definition, Meaning & Examples

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