(n) a unit of length used for distances within the solar system; equal to the mean distance between the Earth and the Sun (approximately 93 million miles or 150 million kilometers), Syn.AU
The Collaborative International Dictionary of English (GCIDE) v.0.53
a. [ L. astronomicus, Gr. 'astronomiko`s: cf. F. astronomique. ] Of or pertaining to astronomy; in accordance with the methods or principles of astronomy. -- As`tro*nom"ic*al*ly, adv. [1913 Webster]
Astronomical clock. See under Clock. -- Astronomical day. See under Day. -- Astronomical fractions, Astronomical numbers. See under Sexagesimal. [1913 Webster]
[ごう, gou] (n) (1) 0.18039 litres (liters); (2) 0.3306 metres square (meters); (3) one-tenth of the way from the base to the summit of a mountain; (4) (See 衝・3) (astronomical) conjunction; (ctr) (5) counter for covered containers; (6) counter for matches, battles, etc.; (P) #2,645[Add to Longdo]
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