acronicallyadv.
/əˈkrɒnᵻkli/, U.S. /əˈkrɑnək(ə)li/, /æˈkrɑnək(ə)li/ Astronomy.
In an acronical manner; at or just after sunset.With quot. 2001 see the note at acronical adj.
ΘΚΠ
the world > time > day and night > day or daytime > evening > [adverb]
evensc1450
evenings?1557
acronically1594
soon1619
overdark1847
1594 T. Blundeville Exercises iv. xxxv. f. 231 Turne the degree of the Sunne vnto the West part of the Horizon, and..marke what starres are readie to goe downe with him, for those are said to set Acronically, and staying the Globe still there in the West, marke what starres at that present doe rise in the East part of the Horizon, for those are said to rise Acronically.
1706 Phillips's New World of Words (new ed.) at Achronychal When a Star rises at Sunset, it is said to Rise achronychally, and when a Star sets with the Sun 'tis said to Set achronychally.
1755 Philos. Trans. 1754 (Royal Soc.) 48 451 We would inquire the time when it rose achronically.
1867 G. F. Chambers Descr. Astron. 796 A heavenly body is said to rise or set achronically when it rises or sets at sunset.
1885 Masonic Rev. 62 352 With the heliacal rising of Scorpio, Taurus would acronically set.
2001 A. F. Aveni Skywatchers (rev. ed.) 348 (note) A star sets cosmically at the instant of sunset and sets achronically opposite the rising sun.
This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).
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adv.1594