Definitions
from The Century Dictionary.
- Pertaining to or resembling a penumbra.
 
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective   Of, or pertaining to, the 
penumbra . 
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective of or pertaining to the region of partial shadow around an umbra
 
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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This event is thus called a penumbral Groundhog Day, meaning six more weeks of winter.
Museum Blogs 2009
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A slight effect known as the penumbral phase may be seen for as much as an hour longer.
In a rarity, both lunar eclipse and winter solstice to occur Tuesday Martin Weil 2010
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A slight effect known as the penumbral phase may be seen for as much as an hour longer.
In a rarity, both lunar eclipse and winter solstice to occur Tuesday Martin Weil 2010
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His was what the doctors call a penumbral mental condition.
Three Men and a Maid 1928
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His was what the doctors call a penumbral mental condition.
The Girl on the Boat 1928
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His was what the doctors call a penumbral mental condition.
Three Men and a Maid Wodehouse, P. G. 1922
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Everyone knocks the "penumbral" rights but we could use a few more of them.
I think I've found the ultimate in anti-Palin gas-baggery. Ann Althouse 2008
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How can you argue a general "penumbral" power when there's a specific clause that forbids it?
Balkinization 2007
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How can you argue a general "penumbral" power when there's a specific clause that forbids it?
Balkinization 2007
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How can you argue a general "penumbral" power when there's a specific clause that forbids it?
Balkinization 2007
 
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