Topic: Definition for Penumbra
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What is the definition of penumbra
Penumbra : a fringe region of partial shadow around an umbra. ChaCh... ...MORE... Read More »
Source: http://www.chacha.com/question/what-is-the-definition-of-penumbra
What are the definitions for Umbra and Penumbra?
Umbra: dark central zone created by an eclipse Penumbra: the area of a shadow where there is partial illumination. Thanks for 82Asking! Read More »
Source: http://www.kgbanswers.co.uk/what-are-the-definitions-for-umbra-an...
What is medical definition of penumbra ?
1. Region of very low illumination on a dark background. 2. Zone in which the brightness varies from some illumination to zero (umbra) in the shadow cast by an opaque object intercepting light from an extensive light source. See shadow. Read More »
Source: http://medical-dictionary.thefreedictionary.com/penumbra
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Definition for Penumbra
[puh-nuhm-bruh](n.) The partial shadow outside the complete shadow of a celestial body in eclipse
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The rights guaranteed by implication in a constitution or the implied powers of a rule. The original and literal meaning of penumbra is "a space of partial illumination between the perfect shadow … on all sides and the full light" (Merriam ...
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Source: http://legal-dictionary.thefreedictionary.com/penumbral
an area of moderately ischemic brain tissue surrounding an area of more severe ischemia. Theoretically, blood flow to this area may be enhanced in order to prevent the spread of a cerebral infarction.
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Source: http://medical-dictionary.thefreedictionary.com/ischemic+penumbra
