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Wednesday: Penumbra
lou harper
lou_harper


penumbra |peˈnəmbrə| noun (pl. penumbrae |-brē, -brī| or penumbras) the partially shaded outer region of the shadow cast by an opaque object.Astronomy the shadow cast by the earth or moon over an area experiencing a partial eclipse.Astronomy the less dark outer part of a sunspot, surrounding the dark core.

DERIVATIVES
penumbral |-brəl| adjective

ORIGIN mid 17th cent.: modern Latin, from Latinpaene almost + umbra shadow.


Not all shadows are created equal.


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Love that word. Umbrella comes from it, surely?

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