Definition of umbra

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Umbra (n.) The fainter part of a sun spot; -- now more commonly called penumbra.

Lern More About Umbra

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..
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..
Inumbrate :: Inumbrate (v. t.) To shade; to darken.
Umbratile :: Umbratile (a.) Umbratic.
Cumbrance :: Cumbrance (n.) Encumbrance.
Incumbrance :: Incumbrance (n.) A burdensome and troublesome load; anything that impedes motion or action, or renders it difficult or laborious; clog; impediment; hindrance; check..
Incumbrancer :: Incumbrancer (n.) One who holds an incumbrance, or some legal claim, lien, or charge on an estate..
Encumbrancer :: Encumbrancer (n.) Same as Incumbrancer.
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..
Umbra :: 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..
Comber :: Comber (n.) Encumbrance.
Incommodity :: Incommodity (n.) Inconvenience; trouble; annoyance; disadvantage; encumbrance.
Umbrae :: Umbrae (pl. ) of Umbr.
Excrescence :: Excrescence (n.) An excrescent appendage, as, a wart or tumor; anything growing out unnaturally from anything else; a preternatural or morbid development; hence, a troublesome superfluity; an incumbrance; as, an excrescence on the body, or on a plant..
Penumbra :: Penumbra (n.) An incomplete or partial shadow.
Umbra :: Umbra (n.) The central dark portion, or nucleus, of a sun spot..
Umbra :: Umbra (n.) Any one of several species of sciaenoid food fishes of the genus Umbrina, especially the Mediterranean species (U. cirrhosa), which is highly esteemed as a market fish; -- called also ombre, and umbrine..
Obesity :: Obesity (n.) The state or quality of being obese; incumbrance of flesh.
Shadowing :: Shadowing (n.) A faint representation; an adumbration.
Obumbration :: Obumbration (n.) Act of darkening or obscuring.
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