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.

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

From Seattle Times • Aug. 17, 2022

There’s no doubt Acura understands its demographic, and the RDX is suitably luxurious inside.

From Seattle Times • Aug. 17, 2022

The GV70 faces off against many more established rivals, one of which followed a similar path to creation: the Acura RDX.

From Seattle Times • Aug. 17, 2022

Acura’s RDX is a pleasing luxury SUV that easily satisfies.

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