# equatorial

/ˌikwəˈtɔɹiəɫ/ (US) · /ɪkwɐtˈɔːɹɪəl/ (UK) · CEFR B2 · Adjective

Source: https://englishreference.com/word/equatorial
Updated: 2026-05-07

## Definition

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.

For teachers: 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.

## Usage notes

- Typically used attributively before a noun.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.