What context can I use each word in?
Learn when and how to use these words with these examples!
equatorial
Example
The Amazon rainforest is located in the equatorial region. [equatorial: adjective]
Example
The equatorial line divides the Earth into two hemispheres. [equatorial: noun]
Example
The equatorial climate is known for its hot and humid weather. [equatorial: adjective]
equinoctial
Example
The equinox marks the equinoctial point when the sun is directly above the equator. [equinoctial: adjective]
Example
The equinoctial sundial was used by ancient civilizations to measure time. [equinoctial: adjective]
Example
The equinoctial line passes through several countries in South America. [equinoctial: noun]
Good things to know
Which word is more common?
Equatorial is more common and versatile than equinoctial in everyday language.
Whatโs the difference in the tone of formality between equatorial and equinoctial?
Both words are used in scientific contexts and can be considered formal, but equatorial is more commonly used in informal contexts as well.
