Definition of penumbra. Meaning of penumbra. Synonyms of penumbra

Here you will find one or more explanations in English for the word penumbra. Also in the bottom left of the page several parts of wikipedia pages related to the word penumbra and, of course, penumbra synonyms and on the right images related to the word penumbra.

Definition of penumbra

Penumbra
Penumbra Pe*num"bra, n. [NL., fr. L. paene almost + umbra shade.] 1. An incomplete or partial shadow. 2. (Astron.) 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. --Sir I. Newton. Note: The faint shade surrounding the dark central portion of a solar spot is also called the penumbra, and sometimes umbra. 3. (Paint.) The part of a picture where the shade imperceptibly blends with the light.
penumbra
Penumbra Pe*num"bra, n. [NL., fr. L. paene almost + umbra shade.] 1. An incomplete or partial shadow. 2. (Astron.) 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. --Sir I. Newton. Note: The faint shade surrounding the dark central portion of a solar spot is also called the penumbra, and sometimes umbra. 3. (Paint.) The part of a picture where the shade imperceptibly blends with the light.

Meaning of penumbra from wikipedia

- The umbra, penumbra and antumbra are three distinct parts of a shadow, created by any light source after impinging on an opaque object. ****uming no diffraction...
- Penumbra: Overture (also known as Penumbra: Overture – Episode One) is the first in a series of episodic survival horror games developed by Frictional...
- Gamma Penumbra is a Filipino all male shadow play group, best known for being the winners of the first season of Asia's Got Talent. El Gamma Penumbra comes...
- Penumbra: Necrologue is a third-party total conversion modification released for Amnesia: The Dark Descent in 2014 by CounterCurrent Games. It was in development...
- In United States constitutional law, the penumbra includes a group of rights derived, by implication, from other rights explicitly protected in the Bill...
- In pathology and anatomy the penumbra is the area surrounding an ischemic event such as thrombotic or embolic stroke. Immediately following the event,...
- Look up penumbra or penumbral in Wiktionary, the free dictionary. The penumbra is the part of a shadow where the light source is only partially blocked...
- Penumbra, Inc. is a medical device company headquartered in Alameda, California. The company was founded by Arani Bose and Adam Elsesser in 2004. It manufactures...
- Penumbra: Black Plague is the second installment of the Penumbra series of episodic video games developed by Frictional Games. The story continues from...
- Penumbra: Requiem is an expansion pack to the game Penumbra: Black Plague developed by Frictional Games. Like the previous games, Requiem is an exploration-based...