acronycal

Variant of acronical

or acronycal

adjective

Astron. happening at sunset, as the rising of a star

Origin: Gr akronychos, at sunset < akros (see acro-) + nyx, night

Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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