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penumbra

One entry found.

Main Entry:
pen·um·bra 
          Listen to the pronunciation of penumbra
Pronunciation:
\pə-ˈnəm-brə\
Function:
noun
Inflected Form(s):
plural pen·um·brae 
          Listen to the pronunciation of penumbrae \-(ˌ)brē, -ˌbrī\ or pen·um·bras
Etymology:
New Latin, from Latin paene almost + umbra shadow — more at umbrage
Date:
1666
1 a: a space of partial illumination (as in an eclipse) between the perfect shadow on all sides and the full light b: a shaded region surrounding the dark central portion of a sunspot2: a surrounding or adjoining region in which something exists in a lesser degree : fringe3: a body of rights held to be guaranteed by implication in a civil constitution4: something that covers, surrounds, or obscures : shroud <a penumbra of secrecy> <a penumbra of somber dignity has descended over his reputation — James Atlas>
pen·um·bral 
          Listen to the pronunciation of penumbral \-brəl\ adjective


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