vortex ring

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noun

a stable perturbation in a fluid that takes the form of a torus in which the flow rotates in the section of the torus so that the pressure difference between the inside and outside of the torus balances body forces. The best-known vortex ring is a smoke ring

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Words nearby vortex ring

-vorous, vorspiel, Vorster, vortex, vortex drag, vortex ring, vortex shedding, vortex street, vortex vein, vortical, vorticella

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

How to use vortex ring in a sentence

A lot of people ring in the New Year with vows to lose weight and exercise.
How Skinny Is Too Skinny? Israel Bans ‘Underweight’ Models|Carrie Arnold|January 8, 2015|DAILY BEAST
Mary Elizabeth Williams of Salon labels the show a “crass stunt” on a “bottom-feeding vortex of sadness network.”
Your Husband Is Definitely Gay: TLC’s Painful Portrait of Mormonism|Samantha Allen|January 1, 2015|DAILY BEAST
These brave souls took an icy dip in the ocean to ring in 2015 and raise money for charity.
Diving Into 2015 With Polar Bear Plunge Extremists|James Joiner|January 1, 2015|DAILY BEAST
Some things never change as we wring out the old year and ring in the new one.
New Year’s Eve, Babylon Style|Candida Moss|December 31, 2014|DAILY BEAST

What was this human being fighting for everywhere but inside a ring?
The Life and Hard Times Of The Family A Cuban Defector Left Behind|Brin-Jonathan Butler|December 19, 2014|DAILY BEAST
When Yima pressed the earth with this ring, the genius of the Earth, Aramaîti, responded to his wish and order.
Solomon and Solomonic Literature|Moncure Daniel Conway
I plainly heard a noise upon the cover of my closet like that of a cable, and the grating of it as it passed through the ring.
Gulliver's Travels|Jonathan Swift
I desired the captain would please to accept this ring in return of his civilities, which he absolutely refused.
Gulliver's Travels|Jonathan Swift
Whoever succeeded in getting the ring on his stick won the game, and carried the prize home as a sign of victory.
Our Little Korean Cousin|H. Lee M. Pike
I remember feeling in his pocket for the ring, and as I did so, I felt a hand grasp mine for a moment.
Uncanny Tales|Various