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Cousteau

American  
[koo-stoh] / kuˈstoʊ /

noun

  1. Jacques Yves 1910–97, French naval officer, author, and underseas explorer: developed the Aqua-Lung.


Cousteau British  
/ kusto /

noun

  1. Jacques Yves (ʒɑk iv). 1910–97, French underwater explorer

"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

Cousteau Scientific  
/ ko̅o̅-stō /
  1. French underwater explorer who helped develop the Aqua-Lung (an underwater breathing apparatus) and designed the bathyscaphe and a small, deep-sea submarine known as a diving saucer. Cousteau also devised an underwater television system and produced several films that widely popularized marine biology.


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.

The species name Megachelicerax cousteaui honors French explorer Jacques-Yves Cousteau.

From Science Daily • Apr. 3, 2026

Mr. Cousteau is the grandson of Jacques Cousteau, an ocean scientist who brought the wonders of the sea to the attention of people around the world.

From NewsForKids.net • Mar. 25, 2024

He’s been at the work ever since he was a university student and the venerated oceanographer Jacques Cousteau visited his class.

From National Geographic • Feb. 5, 2024

He had been taught to dive by oceanographer Jacques Cousteau, and during the 1960s had been Florida State University's diving course training director.

From BBC • May 28, 2023

One of the books was written by Cousteau and Cousteau, which looked interesting because I had at least heard of one of the Cousteaus.

From "The Line Tender" by Kate Allen