What does penumbral mean?

Definitions for penumbral
penum·bral

This dictionary definitions page includes all the possible meanings, example usage and translations of the word penumbral.

Princeton's WordNet

  1. penumbraladjective

    of or pertaining to the region of partial shadow around an umbra

Wiktionary

  1. penumbraladjective

    Of, or pertaining to, the penumbra.

Wikipedia

  1. penumbral

    The umbra, penumbra and antumbra are three distinct parts of a shadow, created by any light source after impinging on an opaque object. Assuming no diffraction, for a collimated beam (such as a point source) of light, only the umbra is cast. These names are most often used for the shadows cast by celestial bodies, though they are sometimes used to describe levels, such as in sunspots.

ChatGPT

  1. penumbral

    Penumbral generally refers to a partially shaded area or a space of partial darkness or obscurity, specifically the part of a shadow where light is partially blocked. It is often used in context of astronomy to describe the partial shadow in an eclipse or the region in which a shadow is observed during a solar eclipse.

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Numerology

  1. Chaldean Numerology

    The numerical value of penumbral in Chaldean Numerology is: 9

  2. Pythagorean Numerology

    The numerical value of penumbral in Pythagorean Numerology is: 3

Popularity rank by frequency of use

penumbral#100000#220617#333333

Translations for penumbral

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"penumbral." Definitions.net. STANDS4 LLC, 2024. Web. 18 Mar. 2024. <https://www.definitions.net/definition/penumbral>.

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