Search results
- Dictionaryum·bra/ˈəmbrə/
noun
- 1. the fully shaded inner region of a shadow cast by an opaque object, especially the area on the earth or moon experiencing the total phase of an eclipse.
Powered by Oxford Dictionaries
Umbra is a noun that means a conical shadow excluding all light from a given source, especially the shadow of a celestial body. Learn more about its synonyms, examples, word history, and related words from Merriam-Webster dictionary.
Umbra is the dark inner part of a shadow, especially during an eclipse. Learn more about its meaning, usage, and related words from Cambridge Dictionary.
The darkest part of a shadow, especially the cone-shaped region of full shadow cast by Earth, the Moon, or another body during an eclipse. In a full lunar eclipse, which generally lasts for one or two hours, the entire disk of the Moon is darkened as it passes through the umbra.
The very darkest part of a shadow is the umbra. It's where the light source is completely blocked by the object in front of it. You'll most often encounter the word umbra in astronomy, along with penumbra and sometimes antumbra.
Umbra is the dark inner part of a shadow, especially during an eclipse. Learn how to use this word in physics, astronomy and literature, and see translations in different languages.
Umbra is a Latin word meaning shadow or shade. It can refer to the darkest part of a shadow, the central region of an eclipse or a sunspot, or a phantom or ghost. See different sources and translations of umbra.
Umbra is a noun that means a dark area, especially the blackest part of a shadow. It can also refer to the dark central cone of shadow projecting from a planet or satellite, the dark central part of a sunspot, or a phantom or ghost.
