English Reference

Word

equatorial

Phoneticsequa·to·ri·al

US/ˌikwəˈtɔɹiəɫ/

UK/ɪkwɐtˈɔːɹɪəl/

Geography

Definition

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.

Examples

“The country has an equatorial climate with high humidity.”

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

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

Examples

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.

Real-World Examples

“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
“They combined those findings with previously published evidence from the equatorial Atlantic, the North Atlantic and the Caribbean Sea.”
ScienceDaily 6 Aug 2026

Word family

ADJECTIVE

equatorial(B2)

Domain

Geography

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

QR code

englishreference.com/q/equatorial

English Reference