SDR

plural SDRs

1. abbreviationcountableinitialismuncountablebusinessInitialism of special drawing right.
2. abbreviationcountableinitialismuncountablebusinessInitialism of single data rate.

   Synonyms: 1DR

3. abbreviationcountableinitialismuncountablemathematicsInitialism of system of distinct representatives.

   Synonyms: transversal

4. abbreviationcountableinitialismuncountablecommunicationsInitialism of software defined radio.
5. abbreviationcountableinitialismretronymuncountablebroadcastingInitialism of standard dynamic range.
6. abbreviationcountableinitialismuncountableespionageInitialism of surveillance detection route.
7. abbreviationcountableinitialismuncountablehuman sciencesInitialism of socially desirable responding.
8. abbreviationcountableinitialismuncountableInitialism of standard dynamic range
9. UKabbreviationcountableinitialismuncountablegovernmentInitialism of Strategic Defence Review, a review of the United Kingdom's defence policy.

   The SDR made clear that long-term success depends on reconnecting society with the Armed Forces and the purpose of Defence, supported by a national conversation.

   2025 December 15, Richard Knighton, “Chief of the Defence Staff speech”, in Gov.uk

1. abbreviationinitialismuncommonInitialism of Sara Delano Roosevelt.

   One Sunday evening, after a long and discordant weekend, SDR wrote to “Dearest Franklin and dearest Eleanor” about her views regarding “noblesse oblige” and “honneur oblige.”

   1993, Blanche Wiesen Cook, Eleanor Roosevelt, volumes 1: The Early Years, 1884–1933, Penguin, →ISBN