- 1. n. An incomplete or partial shadow. Source: opted
- 2. n. 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. Source: opted
- 3. n. The part of a picture where the shade imperceptibly blends with the light. Source: opted
- 4. n. a fringe region of partial shadow around an umbra Source: wordnet
- 5. 1. An incomplete or partial shadow. 2. (Astron.) 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. Sir I. Newton. Note: The faint shade surrounding the dark central portion of a solar spot is also called the penumbra, and sometimes umbra. 3. (Paint.) The part of a picture where the shade imperceptibly blends with the light. Source: webster
- 6. The shadow cast, in an eclipse, where the light is partly, butnot wholly, cut off by the intervening body; the space of partialillumination between the umbra, or perfect shadow, on all sides, andthe full light. Sir I. Newton. Source: adambom
- 7. n:100 n. a fringe region of partial shadow around an umbra Source: ecdict
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