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# equinox

noun (an equinox, equinoxes)

«equinox» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

One of the two times each year when day and night are about the same length all over the Earth, in spring and in autumn. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/equinox/#m1)

### In the lessons

In science lessons the equinox teaches how the Earth's tilt makes the seasons; the spring (vernal) equinox and the autumn equinox; in the southern half of the world the seasons are the other way round. Phrases: «spring equinox», «autumn equinox», «at the equinox».

### Examples

- At the equinox, day and night are each about 12 hours long. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/equinox/#x1)
- There are two equinoxes every year. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/equinox/#x2)
- After the spring equinox, the days get longer than the nights. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/equinox/#x3)
- When it is the spring equinox in Canada, it is the autumn equinox in Australia. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/equinox/#x4)
- Ancient people built stones that line up with the sun at the equinox. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/equinox/#x5)
- We measured our shadows at the equinox. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/equinox/#x6)

### Note

Plural «equinoxes». Do not confuse with «solstice» (the longest or shortest day of the year). «Equi-» means equal and «-nox» means night. Myth: day and night are not exactly equal at the equinox, but very nearly.

## On Mova

- [Trees and pragmatics of «equinox» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/equinox/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«equinox» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/equinox.html) on Mova free.