- 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.
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What does the name Umbra mean?
What does Umbra mean?
How to use "Umbra" in a sentence?
What is the difference between Umbra and Penumbra?
- What is the define of umbra? Definition of umbra 1a : a conical shadow excluding all light from a given source specifically : the conical part of the shadow of a celestial body excluding all light from the primary source. b : the central dark part of a sunspot. 2 : a shaded area. What is a umbra in science? The dark, inner shadow of planet Earth is called the umbra.
Umbra tree Definition & Meaning - Merriam-Webster Definition Word History Entries Near Show more Save Word umbra tree noun : a South American tree (Phytolacca dioica) that has large dark leaves and is cultivated in southern Europe Word History Etymology umbra modification (influenced by Latin umbra shade) of Tupi umbu Love words?
umbra Part of speech: Noun In astron., the dark cone projected from a planet or satellite on the side opposite the sun . Usage examples for "umbra": The good John Davies, living in another age, still stands as nominis umbra, but with a not inconsiderable body of work to throw the shadow .
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Mar 21, 2014 · The umbra is the complete shadow; the penumbra is the partial shadow.Do this experiment. Place two lamps about 2 feet apart. Hold a basketball between the lamps and the wall. Each lamp throws its...