Definition of penumbrae Penumbrae
We found 3 definitions of penumbrae from 2 different sources.
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What does penumbrae mean?
Wiktionary 
- penumbrae (Noun)
Plural of penumbra.
Part of speech
🔤- penumbrae, noun, plural of penumbra.
WordNet
NounPlural: penumbras |
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| penumbra - a fringe region of partial shadow around an umbra |
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Wiktionary
- penumbra (Noun)
A partially shaded area around the edges of a shadow, especially an eclipse. - penumbra (Noun)
A region around the edge of a sunspot, darker than the sun's surface but lighter than the middle of the sunspot. - penumbra (Noun)
An area of uncertainly or intermediacy between two mutually exclusive states or categories. - penumbra (Noun)
An area that lies on the edge of something; a fringe. - penumbra (Noun)
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. - penumbra (Noun)
In " ischaemic penumbra", after a stroke A region of the brain that has lost only some of its blood supply, and retains structural integrity but has lost function.
Webster DictionaryWebster's Unabridged Dictionary 📘
- penumbra (n.)
An incomplete or partial shadow. - penumbra (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. - penumbra (n.)
The part of a picture where the shade imperceptibly blends with the light.
OmegaWiki DictionaryOmegaWiki Dictionary Ω
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penumbra
Outer and lighter part of the shadow created by an eclipse.
Chambers DictionaryChamber's 20th Century Dictionary 📕
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penumbra
pē-num′bra, n. a partial or lighter shadow round the perfect or darker shadow of an eclipse: the part of a picture where the light and shade blend into each other.—adjs. Penum′bral, Penum′brous. [L. pæne, almost, umbra, shade.]
Sailor's Word-BookThe Sailor's Word-Book ⛵
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penumbra
The lighter shade which surrounds the dark shadow of the earth in an eclipse of the moon. Also, the light shade which usually encircles the black spots upon the sun's disc.
