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umbra |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.07 sec. |
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umbra: see eclipse eclipse (ēklĭps`, ĭ–) [Gr. ..... Click the link for more information. ; sunspots sunspots, dark, usually irregularly shaped spots on the sun's surface that are actually solar magnetic storms. The Chinese recorded dark features on the sun seen with the naked eye in 28 B.C. ..... Click the link for more information. . umbra 1. a region of complete shadow resulting from the total obstruction of light by an opaque object, esp the shadow cast by the moon onto the earth during a solar eclipse 2. the darker inner region of a sunspot How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The umbral class (U) represents the focal topic; penumbral classes (P) are those most closely related to the focal topic; and alien classes (A) are those removed from and therefore unrelated to the focal topic. Columnist Francisco Umbral made this "decent" woman the subject of one of his pointed political commentaries. In his preface he excuses himself as being only a "poore inginer for shadowes" who frames "images of no result": a remark which indicates that Daniel saw his masque in terms of that fleeting, umbral concept of being to which Bruno had given powerful expression in his De umbris idearum. |
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