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RDX

American

a white, crystalline, water-insoluble, powerful high explosive, C 3 H 6 N 6 O 6 , used chiefly in bombs and shells.

RDX British

abbreviation

Research Department Explosive; another name for cyclonite See cyclonite

"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 RDX

1940–45; R(esearch) D(epartment) (E)x(plosive) , referring to such a department in Woolwich, England

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.

But at nearly every turn, the GV70 subtly outdoes the RDX.

From Seattle Times • Aug. 17, 2022

The RDX SUV debuted for the 2007 model year, and the latest model benefits from a cosmetic and features refresh for 2022.

From Seattle Times • Aug. 17, 2022

In all-wheel-drive form, the RDX is a bit sprightlier around corners than the GV70.

From Seattle Times • Aug. 17, 2022

Every 2022 RDX is equipped with a turbocharged four-cylinder engine good for 272 horsepower and 280 lb-ft of torque.

From Seattle Times • Aug. 17, 2022

“Hertz, Carvana, Avis, Hertz,” Wimmer said as he watched the offers flood in for a 2019 Acura RDX.

From Washington Post • Oct. 28, 2021

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023