equinox /ˈiːkwəˌnɑːks/ /ˈɛkwəˌnɑːks/ noun plural equinoxes
/ˈiːkwəˌnɑːks/ /ˈɛkwəˌnɑːks/
noun
plural equinoxes
Learner's definition of EQUINOX
[count]
: a day when day and night are the same length昼夜平分时 ◊ There are two equinoxes in the year: the spring (or vernal ) equinox, which occurs around March 21, and the autumn (or autumnal ) equinox, which occurs around September 23.春分,秋分(一年中有两个昼夜平分时,即3月21日左右的春分和9月23日左右的秋分)
— compare solstice