umbra
English · Español · Deutsch · Italiano · 中文 · Română
AI In plain words
Writing a short explanation…
Written by a house AI from the entry below, in your language. The entry itself is the source.
umbra
- /ˈʌmbɹə/
Rhymes with -ʌmbɹə
Where it comes from
Borrowed from Latin umbra (“shadow”). Doublet of umber.
noun umbras · umbrae · umbræ
- The fully shaded inner region of a shadow cast by an opaque object.
- The area on the earth or moon experiencing the total phase of an eclipse.
- The central region of a sunspot.
- A shadow.
- An uninvited guest brought along by one who was invited.
- One of the family Umbridae of mudminnows.
- One of genus Umbrina of drums (family Sciaenidae).
- An element of the umbral calculus. In order to set up such an algorithm, we need the notion of multiplicative inverse of an umbra. Two umbrae are said to be multiplicative inverse to each other when αγ ≡ u.
Translations
Every language
noun the fully shaded inner area of a shadow
| 日本語 | 本影 |
|---|---|
| Deutsch | Kernschatten |
Talk about this word "umbra." Wiktionary, via Micwyn, micwyn.com/word/umbra. Accessed 6 Nov. 2026. umbra. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/umbra "umbra." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/umbra.Cite this
@misc{umbra_2026,
title = {umbra},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/umbra},
urldate = {2026-11-06}
}
