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oolong

American  
[oo-lawng, -long] / ˈuˌlɔŋ, -ˌlɒŋ /

noun

  1. a brown or amber tea grown in China and Taiwan and partially fermented before being dried.


oolong British  
/ ˈuːˌlɒŋ /

noun

  1. a kind of dark tea, grown in China, that is partly fermented before being dried

"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

Etymology

Origin of oolong

First recorded in 1850–55, oolong is from the Chinese word wúlóng literally, black dragon, or < a cognate dial. form

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Vocabulary lists containing oolong

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.

While green tea has been studied extensively, much less is known about the health effects of other varieties, including black, oolong, and white tea, particularly when comparing their benefits.

From Science Daily • Jan. 28, 2026

“About 84% of all tea consumed was black tea, 15% was green tea, and the small remaining amount was oolong, white and dark tea.”

From Salon • May 9, 2025

Today, the KMT’s descendants graciously welcome China’s fun-seeking tourists, sheltering them in cozy, Chinese-themed hotels and plying them with locally grown, fermented oolong tea.

From Washington Times • Apr. 28, 2023

Chado Tea Room offers more than 300 tea selections, including black, oolong, green, pu-erh and wine-inspired teas.

From Los Angeles Times • Nov. 2, 2022

"Or in ivory chopsticks, oolong tea, imitation jade, litchi nuts and preserved leeches!" groaned Tutt.

From Tutt and Mr. Tutt by Train, Arthur Cheney