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Formosa

British  
/ fɔːˈməʊsə /

noun

  1. the former name of Taiwan

"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.

In early June, Taiwanese manufacturer Formosa Petrochemical reported cutting the utilisation rate of its ethylene steam cracker to 35 percent, down from 53 percent in March at the very start of the war.

From Barron's • Jun. 28, 2026

Formosa Plastics’ Baton Rouge plant applied for an exemption to a Clean Air Act rule.

From Salon • May 10, 2026

One other strait of crucial significance, the Formosa Strait between China and Taiwan, is now being scrutinized in detail as a result of what’s happening in the Persian Gulf.

From MarketWatch • Apr. 21, 2026

Not long after, Brundage was chatting online with an anonymous cybersecurity researcher who then introduced him to Chris Formosa, an engineer at the networking company Lumen.

From The Wall Street Journal • Apr. 3, 2026

Then out past the island of Formosa, looking like a giant, well- fertilized gardenia leaf, and across the Pacific, over Hawaii, and now time for California once again.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins

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