antumbra

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/ænˈtʌm.bɹə//ˈæn.tʌm.bɹə/

noun

The region from which an occulting body appears entirely contained within the disc of the light source.

Scrabble 12
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Meanings

nounantumbra (plural antumbrae)

plural antumbrae

  1. rareThe region from which an occulting body appears entirely contained within the disc of the light source.

Origin

From ante- (“before”) + umbra (“shadow”).

Full word history & related roots →

Rhymes & wordplay

Anagrams

rambutan
Cite this entry
APA

antumbra. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/antumbra

MLA

“antumbra.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/antumbra. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “antumbra,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/antumbra.

Source: antumbra on Wiktionary, CC BY-SA 4.0.