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acronychal |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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}. Note: The word is sometimes incorrectly written acronical, achronychal, acronichal, and acronical.