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acronychal

British  
/ əˈkrɒnɪkəl /

adjective

  1. occurring at sunset

    the star has an acronychal rising

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • acronychally adverb

Etymology

Origin of acronychal

C16: from Greek akronychos at sunset, from acro- + nykh-, nyx night