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equinox

1 synonyms and 0 antonyms for equinox, grouped by meaning and by how common each one is.

Noun — Either of the two times a year (around March 20 and September 22) when day and night are of roughly equal length everywhere on Earth.

Synonyms

Rare, literary or technical

Precise, but they will stand out — check the sense before using one.

equinoctial point

How to use equinox

The word patterns that sound natural to a native speaker.

spring equinox autumn equinox vernal equinox

Etymology

From Latin aequinoctium, from aequus ("equal") + nox ("night").

Full origin of equinox →

Frequently asked questions

What does “equinox” mean?

The word “equinox” means either of the two times a year (around March 20 and September 22) when day and night are of roughly equal length everywhere on Earth. In plain terms, the day, twice a year, when day and night last about the same amount of time.

How do you pronounce “equinox”?

“Equinox” is pronounced EHK-wih-noks (/ˈɛkwəˌnɑks/ in IPA).

How do you use “equinox” in a sentence?

Here is “equinox” used in a sentence: “The spring equinox marks the start of longer, warmer days in the north.”

What part of speech is “equinox”?

“Equinox” is a noun.

Where does the word “equinox” come from?

The word “equinox” comes from Latin. From Latin aequinoctium, from aequus ("equal") + nox ("night").

Related words

equilux equinoctal equinoctial equinoctially equinoctium interequinoctial solstice

Nearby words

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Synonyms and antonyms from Wiktionary, CC BY-SA.