English Reference
Adjective

equatorial

adj.
B2 Upper Intermediate US /ˌikwəˈtɔɹiəɫ/ UK /ɪkwɐtˈɔːɹɪəl/ equa·to·ri·al Astronomy Geography

adj.relating to the equator, which is the imaginary line around the middle of the Earth. It often describes places that are very hot and rainy all year.

adj.relating to, situated at, or characteristic of the equator. Often describes climatic conditions or geographical locations within the tropical zone.


SIMPLE

The country has an equatorial climate with high humidity.

CONTEXTUAL

Many equatorial regions experience heavy rainfall and consistent temperatures throughout the entire year.

COMPLEX

The satellite was placed into an equatorial orbit to ensure it remained positioned directly above the Earth's midline for optimal communication coverage.

Usage

Typically used attributively before a noun.

It carries warm water from equatorial and tropical regions to high latitudes in the North Atlantic.

Phys.org· 14 Aug 2026

The storm comes as a powerful El Niño has formed in the central equatorial Pacific Ocean.

Phys.org· 16 Aug 2026
This entry
Level B2 · Upper Intermediate
Frequency Frequent
Updated