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Bouguer's halo

noun
Bou·guer's halo | \ (ˈ)bü¦ge(ə)rz- \

Definition of Bouguer's halo 

: a faint white halo of about 32 degrees minimum radius around the antisolar point

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History and Etymology for Bouguer's halo

after Pierre Bouguer †1758 French mathematician

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Dictionary Entries near Bouguer's halo

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boughten

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bouilli

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