1) American poet 2) Astronomical shadow 3) Blackest part of a shadow 4) Celestial shadow 5) Dark area 6) Dark area in an eclipse 7) Darkest part of a shadow 8) Display typeface 9) Eclipse feature 10) Eclipse phenomenon 11) Eclipse shadow 12) Eclipse-viewing spot 13) Place to see a total eclipse 14) Planetary shadow
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https://www.crosswordclues.com/clue/umbra
1) Shade
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https://www.crosswordclues.com/clue/umbra
Latin, meaning: shade, shadow.
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http://archives.nd.edu/uuu.htm
The darkest (central) part of a shadow.
Found on
http://jot101.com/2015/05/a-z-of-science-fiction-words/
• (n.) The conical shadow projected from a planet or satellite, on the side opposite to the sun, within which a spectator could see no portion of the sun`s disk; -- used in contradistinction from penumbra. See Penumbra. • (n.) The fainter part of a sun spot; -- now more commonly called penumbra. • (n.) The central dark portion, or nu...
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http://thinkexist.com/dictionary/meaning/umbra/
(from the article `Sun`)
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http://www.britannica.com/eb/a-z/u/5
that part of a shadow in which all light from a given source is excluded. The shadow from a point source of illumination is essentially all umbra, ... [1 related articles]
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http://www.britannica.com/eb/a-z/u/5
(Phytolacca) This group consists of hardy and tender perennials. They are found wild in North and South America, Asia and Africa. Very few kinds are in cultivation. P. dioica, the Umbra, is a quick growing tree that is grown for decoration in mild climates. It is an evergreen and grows up to 60 feet high. It produces white flowers. P. americana, Po...
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http://www.encyclo.co.uk/local/10004
(1). The darkest part of the shadow cast by Earth into space. (2). The darker portion of a sunspot.
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http://www.encyclo.co.uk/local/20448
Origin: L, a shadow. ... 1. <astronomy> The conical shadow projected from a planet or satellite, on the side opposite to the sun, within which a spectator could see no portion of the sun's disk; used in contradistinction from penumbra. See Penumbra. The central dark portion, or nucleus, of a sun spot. ... The fainter part of a sun spot; now m...
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http://www.encyclo.co.uk/local/20973
(um´brә) the part of a shadow in which there is no light from any light source. a sharp appearance to the edges of a structure on a radiograph.
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http://www.encyclo.co.uk/local/21001
From the Latin for shade, it is the shadow area defining a total eclipse. or the dark central region of a sunspot.
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http://www.encyclo.co.uk/visitor-contributions.php
The dark core or cores (umbrae) in a SUNSPOT with PENUMBRA, or a sunspot lacking penumbra.
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http://www.encyclo.co.uk/visitor-contributions.php
the darker, smaller shadow cast by the Moon during a total solar eclipse.
Found on
http://www.kidseclipse.com/pages/glossary.htm
The name given to the shadow cast by a celestial object that entirely blocks out illumination.
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http://www.moonconnection.com/moon-glossary.phtml
HMS Umbra was a British Ursula Class submarine of 540 tons displacement launched in the early 1940s. She was armed with one small gun and six 21-inch torpedo tubes in the bow. She had a top speed of 11.25 knots surfaced and 10 knots submerged and carried a complement of 27.
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http://www.probertencyclopaedia.com/browse/RU.HTM
The area of total darkness in the shadow caused by an eclipse.
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http://www.seasky.org/astronomy/astronomy-glossary.html
The dark central region of a sunspot.
Found on
http://www.solarviews.com/eng/terms.htm
umbra (s), umbrae (pl) 1. A dark area, especially the blackest part of a shadow caused by light from all points of a source being prevented from reaching the area, usually by an opaque object. 2. In astronomy, the shadow region over an area of the earth where a solar eclipse is total. 3. The darkest region of a sunspot. 4. A shade; su...
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http://www.wordinfo.info/words/index/info/view_unit/2224/2
The darkest part of a shadow where no light from the source reaches.
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https://www.encyclo.co.uk/local/20687
noun a region of complete shadow resulting from total obstruction of light
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https://www.encyclo.co.uk/local/20974
Central region of a shadow that is totally dark because no light reaches it, and from which no part of the light source can be seen (compare penumbra). In astronomy, it is a region of the Earth from which a complete eclipse of the Sun can be seen
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https://www.encyclo.co.uk/local/21221
The dark inner part of a sunspot, or shadow.
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https://www.encyclo.co.uk/local/22784
shade; shadow. · the invariable or characteristic accompaniment or companion of a person or thing. · · the complete or perfect shadow of an opaque body, as a planet, where the direct light from the source of illumination is completely cut off. Cf.penumbra(def. 1a). · the dark central portion of a sunspot. Cf.penumbra(def. 1b)...
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https://www.infoplease.com/dictionary/umbra
shade, shadow.
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https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html
No exact match found.
