Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Penumbra" Definition
noun
A partial shadow, as in an eclipse, between regions of complete shadow and complete illumination. See Synonyms at shade.
Source: American Heritage Dictionary
An area in which something exists to a lesser or uncertain degree: "The First Amendment has a penumbra where privacy is protected from governmental intrusion” ( Joseph A. Califano, Jr.).
Source: American Heritage Dictionary
An outlying surrounding region; a periphery: "Downtown Chicago and its penumbra also stand rejuvenated” ( John McCormick).
Source: American Heritage Dictionary
The grayish outer part of a sunspot.
Source: American Heritage Dictionary
A space of partial illumination (as in an eclipse) between the perfect shadow on all sides and the full light.
Source: Merriam-Webster
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