Astronomy. Of the moon or a planet: in the phase at which exactly half the visible disc is sunlit and half is dark. Cf. dichotomy, n. 2.
| 单词 | θ611 |
| 释义 | the world > the universe > planet > primary planet > moon > phase > [adjective] > half-illuminated (3) dichotomized1675 Astronomy. Of the moon or a planet: in the phase at which exactly half the visible disc is sunlit and half is dark. Cf. dichotomy, n. 2. dichotomous1675 Astronomy. = dichotomized, adj. 2. Obsolete. divided1822 Separated into parts. Said of the moon in the phase at which half the disk is illuminated; = dichotomized, adj. 2. |
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