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penumbra |
Grep of noun penumbra penumbra Overview of noun penumbra The noun penumbra has 1 sense (no senses from tagged texts) 1. penumbra -- (a fringe region of partial shadow around an umbra) Overview of noun penumbra The noun penumbra has 1 sense (no senses from tagged texts) 1. penumbra -- (a fringe region of partial shadow around an umbra)
penumbra definition
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