coffee ring

noun

a coffeecake shaped like a ring, plain or fruited, often with a topping of raisins, ground nuts, and icing.

Origin of coffee ring

¹

First recorded in 1920–25

Words Nearby coffee ring

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use coffee ring in a sentence

Invented by a BASF scientist in 1916, the chemical reduces surface tension between two substances, enabling grime to come off of countertops and coffee rings to disappear from mugs.
The Dirty Secret of America’s Clean Dishes | by Max Blau and Lylla Younes, photography by Kathleen Flynn, special to ProPublica | December 20, 2021 | ProPublica

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