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Congo Basin

American

[kong-goh bey-sin] / ˈkɒŋ goʊ ˌbeɪ sɪn /

noun

the sedimentary basin of the Congo River, located in central Africa, covering approximately 1.4 million sq. mi. (3.7 million sq. km), including great wetlands and vast stands of unspoiled tropical rainforest.

Etymology

Origin of Congo Basin

First recorded in 1880–85

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Over the past decade, a team led by ETH Zurich has been investigating the Congo Basin more closely.

From Science Daily • Feb. 24, 2026

It rains almost all year round in Mbandaka, the capital of Equateur province in the dense rainforest of the Congo Basin of central Africa.

From Barron's • Oct. 13, 2025

Its territory, which sits astride the equator, encompasses some of the most biodiverse tracts of the Congo Basin rainforest.

From BBC • Apr. 9, 2025

Bonobos, meanwhile, live only in a relatively isolated portion of the Congo Basin that has no mountains, and consequently, no gorillas.

From Science Magazine • Apr. 12, 2024

The temptation to sack Westminster was something like the temptation presented to our financial powers to-day to get at the rubber of the Congo Basin or at the unexploited coal of Northern China.

From The Historic Thames by Belloc, Hilaire

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023