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    umbra
    /ˈʌmbrə/

    noun

    • 1. the fully shaded inner region of a shadow cast by an opaque object, especially the area on the earth or moon experiencing the total phase of an eclipse.
    • 2. shadow or darkness: literary "an impenetrable umbra seemed to fill every inch of the museum"

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  3. Umbra is a noun that means a conical shadow excluding all light from a given source, especially the shadow of a celestial body. Learn more about its synonyms, examples, word history, and related words from Merriam-Webster dictionary.

  4. Umbra is the dark inner part of a shadow, especially during an eclipse. Learn more about its meaning, usage, and related words from Cambridge Dictionary.

  5. Umbra is a noun that means shade, shadow, or the darkest part of a shadow. It can also refer to the dark central region of a sunspot or the complete shadow of an opaque body during an eclipse.

  6. Umbra is the dark inner part of a shadow, especially during an eclipse. Learn how to use this word in physics, astronomy and literature, and see translations in different languages.

  7. The very darkest part of a shadow is the umbra. It's where the light source is completely blocked by the object in front of it. You'll most often encounter the word umbra in astronomy, along with penumbra and sometimes antumbra. During a lunar eclipse, the very darkest, inner part of the Earth's shadow is the umbra, while the lighter shadow at ...

  8. Umbra is the darkest part of a shadow or the area on the earth or the moon that is the darkest during an eclipse. Learn how to pronounce, use and spell umbra with Oxford Advanced Learner's Dictionary.

  9. Umbra is a Latin word meaning shadow or shade. It can refer to the darkest part of a shadow, the central region of an eclipse or a sunspot, or a phantom or ghost. See different sources and translations of umbra.