| 单词 | equinoctial |
| 释义 | equinoctial adj. & n. --adj 1. happening at or near the time of an equinox (equinoctial gales). 2. of or relating to equal day and night. 3. at or near the (terrestrial) equator. --n (in full equinoctial line) = celestial equator. Phrases and idioms equinoctial point the point at which the ecliptic cuts the celestial equator (twice each year at an equinox). equinoctial year see YEAR. Etymology: ME f. OF equinoctial or L aequinoctialis (as EQUINOX) |
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