obtenebration
Ob*ten`e*bra"tion, n. Etym: [L. obtenebrate to make dark.] Defn: The act of darkening; the state of being darkened; darkness. [Obs.] In every megrim or vertigo, there is an obtenebration joined with a semblance of turning round. Bacon.
Ob*ten`e*bra"tion, n. Etym: [L. obtenebrate to make dark.] Defn: The act of darkening; the state of being darkened; darkness. [Obs.] In every megrim or vertigo, there is an obtenebration joined with a semblance of turning round. Bacon.