equinox
英 ['i?kw?n?ks; 'ekw?-]
美['ikw?nɑks]
- n. 春分；秋分；晝夜平分點
英英釋意
- 1. either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length
- 2. (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic