SDR

SDR (countable and uncountable, plural SDRs)

1. (finance) Initialism of special drawing right.
2. (computing, electronics) Initialism of single data rate.

   Synonym: 1DR

   Coordinate terms: DDR, QDR, ODR

3. (mathematics) Initialism of system of distinct representatives.

   Synonym: transversal

4. (telecommunications) Initialism of software defined radio.
5. (television, retronym) Initialism of standard dynamic range.
6. (espionage) Initialism of surveillance detection route.
7. (social sciences) Initialism of socially desirable responding.

• (computing): SDR SDRAM, SDR RAM

• (computing): SDRAM
• (computing): SIMM, DIMM, SODIMM

SDR

1. (uncommon) Initialism of Sara Delano Roosevelt.
   • 1993, Blanche Wiesen Cook, Eleanor Roosevelt, volumes 1: The Early Years, 1884–1933, Penguin, →ISBN:

     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.”

• -rds, DRS, DRs, Drs, Drs., R&Ds, RDS, RDs, drs., rds