| slovo | definícia |
penumbra
(encz) | penumbra,polostín n: Petr Prášek |
Penumbra
(gcide) | Penumbra \Pe*num"bra\, n. [NL., fr. L. paene almost + umbra
shade.]
1. An incomplete or partial shadow.
[1913 Webster]
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.
[1913 Webster]
Note: The faint shade surrounding the dark central portion of
a solar spot is also called the penumbra, and
sometimes umbra.
[1913 Webster]
3. (Paint.) The part of a picture where the shade
imperceptibly blends with the light.
[1913 Webster] |
penumbra
(wn) | penumbra
n 1: a fringe region of partial shadow around an umbra |
| | podobné slovo | definícia |
penumbrae
(encz) | penumbrae, |
penumbral
(encz) | penumbral,polostínový adj: Zdeněk Brož |
Penumbra
(gcide) | Penumbra \Pe*num"bra\, n. [NL., fr. L. paene almost + umbra
shade.]
1. An incomplete or partial shadow.
[1913 Webster]
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.
[1913 Webster]
Note: The faint shade surrounding the dark central portion of
a solar spot is also called the penumbra, and
sometimes umbra.
[1913 Webster]
3. (Paint.) The part of a picture where the shade
imperceptibly blends with the light.
[1913 Webster] |
Penumbrala
(gcide) | Penumbrala \Pe*num"brala\
Of or pertaining to a penumbra; resembling a penumbra;
partially illuminated.
[1913 Webster] |
penumbral
(wn) | penumbral
adj 1: of or pertaining to the region of partial shadow around
an umbra |
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