acronychal

1 definition found

acronychal - Collaborative International Dictionary of English v.0.48 :

  Acronyc \A*cron"yc\, Acronychal \A*cron"ych*al\, a. [Gr.
     'akro`nychos at nightfall; 'a`kros + ny`x night.] (Astron.)
     Rising at sunset and setting at sunrise, as a star; --
     opposed to cosmical.
     [1913 Webster]
  
     Note: The word is sometimes incorrectly written acronical,
           achronychal, acronichal, and acronical.
           [1913 Webster]