penumbra Antonyms

Meaning of penumbra

Wordnet

penumbra (n)

a fringe region of partial shadow around an umbra

Webster

penumbra (n.)

An incomplete or partial shadow.

The shadow cast, in an eclipse, where the light is partly, but not wholly, cut off by the intervening body; the space of partial illumination between the umbra, or perfect shadow, on all sides, and the full light.

The part of a picture where the shade imperceptibly blends with the light.

penumbra Sentence Examples

  1. The penumbra of the solar eclipse created a soft, ethereal glow around the sun's disk.
  2. In a partial solar eclipse, the moon's penumbra partially obscures the sun.
  3. The penumbra of a star acts as a boundary between its fully illuminated region and the unlit area.
  4. During a penumbral lunar eclipse, the Earth's penumbra falls on the moon, causing it to appear dimly shaded.
  5. The penumbra is the region of partial shadow cast by an opaque object.
  6. The penumbra of a tree canopy provides speckled shade.
  7. The penumbra of a light source can be used to create subtle lighting effects.
  8. The penumbra in an x-ray image indicates a region of uncertainty in the diagnosis.
  9. The penumbra of a tornado is the outer area of rotating air with lower wind speeds.
  10. The penumbra in a photograph is the area of gradual transition between light and shadow.

FAQs About the word penumbra

a fringe region of partial shadow around an umbraAn incomplete or partial shadow., The shadow cast, in an eclipse, where the light is partly, but not wholly, cu

dusk, shade, umbra, blackness,shadow, gloom,dimness, shadiness, cloudiness, somberness

illumination, luminance, radiance, radiance, luminosity, lightness, effulgence, lucidity, brightness, luminosity

The penumbra of the solar eclipse created a soft, ethereal glow around the sun's disk.

In a partial solar eclipse, the moon's penumbra partially obscures the sun.

The penumbra of a star acts as a boundary between its fully illuminated region and the unlit area.

During a penumbral lunar eclipse, the Earth's penumbra falls on the moon, causing it to appear dimly shaded.