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Hasil cari dari kata atau frase: penumbra(0.01028 detik)
Found 2 items, similar to penumbra.
English → English (WordNet)
n : a fringe region of partial shadow around an umbra
[also: penumbrae (pl)]
English → English (gcide)
Penumbra \Pe*num"bra\, n. [NL., fr. L. paene almost + umbra
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
Note: The faint shade surrounding the dark central portion of
a solar spot is also called the penumbra, and
3. (Paint.) The part of a picture where the shade
imperceptibly blends with the light.