antumbra
antumbra · antumbrae
The region from which an occulting body appears entirely contained within the disc of…The region from which an occulting body appears entirely contained within the disc of the light source.
/ænˈtʌm.bɹə/
Meaning
1 senses(rare)The region from which an occulting body appears entirely contained within the disc of the light source.
Origin
From ante- (“before”) + umbra (“shadow”).From ante- (“before”) + umbra (“shadow”).
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Forms
plural: antumbraeLessons for this word
1 lessons- A1Plural nouns — Because its plural is irregular