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单词 nodical month
释义

nodical month


nodical month

n (Astronomy) another name for draconic month

nodical month


nodical month

(nod -ă-kăl) See draconic month.

nodical month

[′näd·ə·kəl ′mənth] (astronomy) The average period of revolution of the moon about the earth with respect to the moon's ascending node, a period of 27 days 5 hours 5 minutes 35.8 seconds, or approximately 27¼ days. Also known as draconic month; draconitic month.
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