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) Abbreviation of software defined radio.
5. (television, retronym) Initialism of standard dynamic range.

• (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, volume 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