plenumbra (0 synonym found)

We don't have any synonyms for plenumbra yet.

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penumbra

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Definition of plenumbra:

°A partially shaded area around the edges of a shadow, especially an eclipse.
°A region around the edge of a sunspot, darker than the sun's surface but lighter than the middle of the sunspot.
Definition of plenumbra:

°A partially shaded area around the edges of a shadow, especially an eclipse.
°A region around the edge of a sunspot, darker than the sun's surface but lighter than the middle of the sunspot.
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