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Guiana

American  
[gee-an-uh, -ah-nuh, gahy-an-uh] / giˈæn ə, -ˈɑ nə, gaɪˈæn ə /

noun

  1. a vast tropical region in northeastern South America, bounded by the Orinoco, Negro, and Amazon rivers and the Atlantic. About 690,000 sq. mi. (1,787,000 sq. km).

  2. the coastal portion of this region, which includes Guyana, French Guiana, and Suriname. 175,275 sq. mi. (453,962 sq. km).


Guiana British  
/ ɡɪˈɑːnə, ɡaɪˈænə /

noun

  1. a region of NE South America, including Guyana, Surinam, French Guiana, and the Guiana Highlands (largely in SE Venezuela and partly in N Brazil). Area: about 1 787 000 sq km (690 000 sq miles)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

"There's a lot going on in space for internet connectivity," says Moeller, speaking to the BBC from French Guiana, where he'd just witnessed Ariane 6 lift off.

From BBC • Feb. 23, 2026

A European Ariane 6 rocket blasted off from France's Kourou space base in French Guiana on Tuesday night, carrying a new environmental monitoring satellite, an AFP correspondent said.

From Barron's • Nov. 4, 2025

The discovery was made through the DNA analysis of pollen attached to butterflies found in French Guiana in South America, that was found to have originated in Africa.

From Slate • Jul. 18, 2024

In contrast, the northern Amazon, dominated by what geologists call the Guiana Shield -- home to tall trees with deep roots and less fertile soil -- was more drought resilient regardless of water table depth.

From Science Daily • Jun. 19, 2024

As in British Guiana, Trinidad, and Mauritius, Indians were first brought to Natal to cut cane.

From "Sugar Changed the World: A Story of Magic, Spice, Slavery, Freedom, and Science" by Marc Aronson