penumbra

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İlgili Terimler

penumbral
yarı gölgeli
İngilizce - İngilizce
A partially shaded area around the edges of a shadow, especially an eclipse
A region of the brain that has lost only some of its blood supply, and retains structural integrity but has lost function
Something related to, connected to, and implied by, the existence of something else that is necessary for the second thing to be full and complete in its essential aspects

The foregoing cases suggest that specific guarantees in the Bill of Rights have penumbras, formed by emanations from those guarantees that help give them life and substance.

A region around the edge of a sunspot, darker than the sun's surface but lighter than the middle of the sunspot
{n} an imperfect or faint 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
region of partial shadow that is outside the umbra; the light source is partially blocked
portion of the shadow from which part of the light source is excluded when a body passes over the light source
The partially illuminated part of a shadow
paena = [Latin] almost; umbra = [Latin] shadow A penumbra is an annulus (thick ring) around the umbra of a sunspot The penumbra is less dark than the umbra, but is darker than granulation The penumbra appears to be built up of many fibers that point away from the center of the sunspot The high-resolution continuum image shows a big sunspot with a penumbra
Portion of the shadow cast by an eclipsing object in which the eclipse is seen as partial
The sunspot area that may surround the darker umbra or umbrae In its mature form it consists of linear bright and dark elements radial from the sunspot umbra
The partly shaded area around the shadow of the moon during the solar eclipse Those experiencing a partial eclipse will be within the penumbra
an area of stroke-damaged, oxygen-starved tissue surrounding the infarct that is not irretrievably injured
The part of a picture where the shade imperceptibly blends with the light
The secondary "fringe" area of a shadow when the object only partially blocks the light
A region around the edge of a sunspot, darker than the suns surface but lighter than the middle of the sunspot
An incomplete or partial shadow
a fringe region of partial shadow around an umbra
the incomplete part of a shadow surrounding the umbra
The sunspot area that may surround the darker umbra or umbrae It consists of linear bright and dark elements radial from the sunspot umbra
The lighter part of a shadow that is formed by diffused light in an area around the edges of an object
the part of a shadow (as of the Moon) within which the source of light (the Sun) is only partially blocked out
The portion of a shadow that is only partially shaded We would see part of the sun peeking around Earth's edge In the penumbra, the sunlight is dimmed but not extinguished
A penumbra is an area of light shadow. an area of slight darkness (paene + umbra )
That part of a shadow due to a light source which receives partial illumination from the source By definition the source will be an extended light source and the penumbra always surrounds the umbra
Means, literally, "dim light" It most often refers to the outer shadow cast during eclipses, and defines the region of shadow which gives rise to a partial eclipse It is also the lighter area surrounding the central region of a sunspot
The outer filamentary region of a sunspot
The area of partial illumination surrounding the darkest part of a shadow caused by an eclipse
The partial shadow between the unshadowed region and the umbra, or fully shadowed region
{i} partly lighted area around any shadow
the region close to the radiation field edge The penumbral width is typically defined by the distance between the points where 20% and 80% of the dose at central axis is delivered A small penumbra means a good beam definition which allows to give maximum dose to a target volume with a rapid dose fall off next to it towards the surrounding normal tissue
A partial shadow that appears where light from part of the source is blocked and light from another part of the source is not blocked

İlgili Terimler

penumbrae
plural of penumbra
penumbral
of or pertaining to the region of partial shadow around an umbra
penumbras
plural of penumbra
penumbra

    Heceleme

    pe·num·bra

    Türkçe nasıl söylenir

    pînʌmbrı

    Telaffuz

    /pəˈnəmbrə/ /pɪˈnʌmbrə/

    Etimoloji

    [ p&-'n&m-br& ] (noun.) 1666. From Latin paene (“almost”) + umbra (“shadow”).