: the flow of a fluid in opposite directions (as in an apparatus)

Examples of counterflow in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Drivers will be able to use the former counterflow bus lane to move towards Downtown. Chilekasi Adele, CBS News, 13 Mar. 2026 The counterflow back the other way and into the CHL has been real as well, though. Scott Wheeler, New York Times, 9 July 2025 This map of the velocities of particles on the water's surface shows the counterflow in red and the main flow in blue. Veronique Greenwood, Discover Magazine, 17 May 2011 That includes the main deck aft, with its 21-foot counterflow pool, and the owner’s deck aft, which can be fully enclosed to make a winter garden. Nicole Hoey, Robb Report, 27 May 2026

Word History

First Known Use

1870, in the meaning defined above

Time Traveler
The first known use of counterflow was in 1870

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Cite this Entry

“Counterflow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/counterflow. Accessed 7 Jul. 2026.

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