Astronomy. Pertaining to, consisting of, or performed in, half the time between the rising and setting of a celestial body. Chiefly in semi-diurna…
| 单词 | θ206 | 
| 释义 | the world > the universe > heavenly body > movement of heavenly bodies > 			[adjective]		 > movement in orbit > diurnal circle (2)		 semi-diurnal1581 Astronomy. Pertaining to, consisting of, or performed in, half the time between the rising and setting of a celestial body. Chiefly in semi-diurna… semi-nocturnal1594 Pertaining to, or accomplished in, half a night. | 
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