noun🔗ShareThe intersection of the apparent path of the sun in the sky (the ecliptic) with the celestial equator."The equinox occurs twice a year, marking the moment when the sun's path crosses the celestial equator. "astronomyspacetimeweathernaturescienceChat with AIVocabulary GamePractice Reading
noun🔗ShareOne of the two days on which this intersection occurs each year: (for the Northern hemisphere) March 20 or 21 in the spring and September 22 or 23 in the autumn."The spring equinox is on March 20th or 21st each year, which means the school year usually starts around that time. "astronomynaturetimeworldscienceeventgeographyChat with AIVocabulary GamePractice Reading
