Definition Definition

penumbra - Meaning and Examples

Meaning of 'penumbra' (Webster Dictionary)

1 . 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.