Penumbra is a global healthcare company that is focused on innovating novel technologies to help as many people as possible. Learn how our latest innovations are transforming patient …

Every solar eclipse casts an umbra, the darker central area in which almost no light reaches the earth, and a penumbra, the area of partial shadow where part of the sun is still visible. …

The penumbra (from Latin paene 'almost, nearly' and umbra 'shadow') is the region in which only a portion of the light source is obscured by the occluding body, and an observer in the …

U.S. Law. a right or set of rights implicit but not expressed in the U.S. Constitution or Bill of Rights. The principle of the penumbra protects against an imperfect, or incomplete, enumeration of …

penumbra, (from Latin paene, “almost”; umbra, “shadow”), in astronomy, the outer part of a conical shadow cast by a celestial body, in which the light from the source is partially …

In a lunar eclipse, the outer shadow or penumbra is a zone where Earth blocks a portion of the sun's rays. You can also find related words, phrases, and synonyms in the topics: The moon …

Dec 21, 2025 · penumbra (plural penumbras or penumbrae or (obsolete) penumbræ) A partially shaded area around the edges of a shadow, especially an eclipse. quotations

Definition of penumbra noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

An area in which something exists to a lesser or uncertain degree: "The First Amendment has a penumbra where privacy is protected from governmental intrusion" (Joseph A. Califano, Jr.).

4 days ago · PEN's expanding thrombectomy portfolio and growing international footprint support momentum, even as FX and macro pressures pose risks.