Bible Encyclopedias
Penumbra
The Nuttall Encyclopedia
The name given to the partial shadow on the rim of the total shadow of an eclipse, also to the margin of the light and shade of a picture.
Copyright Statement
Public Domain.
Bibliography Information
Wood, James, ed. Entry for 'Penumbra'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/p/penumbra.html. Frederick Warne & Co Ltd. London. 1900.