Definition of RDX in English:

RDX

Syllabification: RDX

noun

A type of high explosive.

Origin

1940s: from R(esearch) D(epartment) (E)x(plosive).

Definition of RDX in:

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Word of the day hypnopompic
Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
adjective
relating to the state immediately preceding waking up