Web Results
pe·num·bra
[pi-nuhm-bruh]
NOUN [PLURAL PE·NUM·BRAE, PE·NUM·BRAS.]
1.
a shadowy, indefinite, or marginal area.
Source: Dictionary.com
penumbra | Define penumbra at Dictionary.com
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Umbra, penumbra and antumbra - Wikipedia

en.wikipedia.org/wiki/Umbra,_penumbra_and_antumbra

The umbra, penumbra and antumbra are three distinct parts of a shadow, created by any light source after impinging on an opaque object. For a point source ...

Penumbra Inc: Innovative Medical Devices

www.penumbrainc.com/

Differentiated solutions for access, stroke revascularization, and embolization for use in the neurovasculature. Penumbra Neuro. Innovative Medical Devices ...

Penumbra | Definition of Penumbra by Merriam-Webster

www.merriam-webster.com/dictionary/penumbra

Define penumbra: a space of partial illumination (as in an eclipse) between the perfect shadow on all sides and the full… — penumbra in a sentence.

Penumbra | Define Penumbra at Dictionary.com

www.dictionary.com/browse/penumbra

Penumbra definition, the partial or imperfect shadow outside the complete shadow of an opaque body, as a planet, where the light from the source of illumination ...

Penumbra - definition of penumbra by The Free Dictionary

www.thefreedictionary.com/penumbra

n. pl. pe·num·bras or pe·num·brae (-brē). 1. A partial shadow, as in an eclipse, between regions of complete shadow and complete illumination. 2. The diffuse ...

The Penumbra Series

penumbragame.com/

Welcome to the official Penumbra Series website. Penumbra is a first person horror adventure series for Windows, Mac OS X and Linux. Featuring a unique ...

Penumbra Group - Talent Management Solutions

www.penumbra.com/

Emotional Intelligence training, coaching, assessments and video training products.

penumbra - Wiktionary

en.wiktionary.org/wiki/penumbra

(medicine) (in "ischaemic penumbra", after a stroke) A region of the brain that has lost only some of its blood supply, and retains structural integrity but has lost ...