Acronychal

Definitions

  • Webster's Revised Unabridged Dictionary
    • a Acronychal (Astron) Rising at sunset and setting at sunrise, as a star; -- opposed to cosmical.☞ The word is sometimes incorrectly written acronical achronychal acronichal, and acronical.
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Century Dictionary and Cyclopedia
    • acronychal In astronomy, occurring at sunset: as, the acronychal rising or setting of a star: opposed to cosmical.
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Etymology

Webster's Revised Unabridged Dictionary
Gr. 'akro`nychos at nightfall; 'a`kros + ny`x night