Meaning of BOUGUER'S HALO in English

BOUGUER'S HALO

(ˈ)bü|ge(ə)rz- noun

Usage: usually capitalized B

Etymology: after Pierre Bouguer died 1758 French mathematician

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

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.