Definition of umbra

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Umbra (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..

Lern More About Umbra

Penumbra :: Penumbra (n.) An incomplete or partial shadow.
Adumbrate :: Adumbrate (v. t.) To overshadow; to shade.
Umbraculiform :: Umbraculiform (a.) Having the form of anything that serves to shade, as a tree top, an umbrella, and the like; specifically (Bot.), having the form of an umbrella; umbrella-shaped..
Obumbration :: Obumbration (n.) Act of darkening or obscuring.
Encumbrance :: Encumbrance (n.) Same as Incumbrance.
Adumbration :: Adumbration (n.) The act of adumbrating, or shadowing forth..
Encumberment :: Encumberment (n.) Encumbrance.
Clear :: Clear (v. t.) To free from impediment or incumbrance, from defilement, or from anything injurious, useless, or offensive; as, to clear land of trees or brushwood, or from stones; to clear the sight or the voice; to clear one's self from debt; -- often used with of, off, away, or out..
Umbratic :: Umbratic (a.) Alt. of Umbratica.
Obumbrate :: Obumbrate (v. t.) To shade; to darken; to cloud.
Shadow :: Shadow (n.) An imperfect and faint representation; adumbration; indistinct image; dim bodying forth; hence, mystical representation; type..
Umbrageous :: Umbrageous (a.) Not easily perceived, as if from being darkened or shaded; obscure..
Adumbrant :: Adumbrant (a.) Giving a faint shadow, or slight resemblance; shadowing forth..
Umbraculiferous :: Umbraculiferous (a.) Bearing something like an open umbrella.
Umbriferous :: Umbriferous (a.) Casting or making a shade; umbrageous.
Umbratical :: Umbratical (a.) Of or pertaining to the shade or darkness; shadowy; unreal; secluded; retired.
Fan Palm :: Fan palm () Any palm tree having fan-shaped or radiate leaves; as the Chamaerops humilis of Southern Europe; the species of Sabal and Thrinax in the West Indies, Florida, etc.; and especially the great talipot tree (Corypha umbraculifera) of Ceylon and Malaya. The leaves of the latter are often eighteen feet long and fourteen wide, and are used for umbrellas, tents, and roofs. When cut up, they are used for books and manuscripts..
Obesity :: Obesity (n.) The state or quality of being obese; incumbrance of flesh.
Shadowing :: Shadowing (n.) A faint representation; an adumbration.
Penumbra :: 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..
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