umbra

Noun

Meaning

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 more commonly called penumbra.

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.

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Examples

A partial lunar eclipse occurs when only a portion of the moon enters the umbra. Source: Internet

An individual should not get trapped by unhealthy desires, be it by umbra or actual events or individuals. Source: Internet

A total solar eclipse occurs when the Earth intersects the umbra portion of the Moon's shadow. Source: Internet

A total eclipse occurs when the observer is within the umbra, an annular eclipse when the observer is within the antumbra, and a partial eclipse when the observer is within the penumbra. Source: Internet

The Moon's surface is entirely within Earth's umbra. Source: Internet

The Moon's umbra will advance eastward at a rate of 1,700 km/h, until it no longer intersects the Earth's surface. Source: Internet

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