There are multiple definitions:

1. smallest real difference(English)

   • CR
   • Statistics
   • https://www.ncb…les/PMC3767825/

2. structural racism and discrimination(English)

   • NIMHD
   • Ethnicity

3. spine-related disorder(English)

   • non-pharmacological therapies now constitute the recommended first-line approach to back pain
   • PSC
   • Spine (or spinal cord), Pain, Therapeutic approaches
   • https://doi.org…998-022-00411-x

4. spectral ripple discrimination(English)

   • used to measure listeners' sensitivity to a shift in phase of the spectral envelope of a broadband noise
   • CI, DSF, DSB, SMD, STM, WM
   • Audiology
   • https://doi.org…000000000000373

5. sucrose-rich diet(English)

   • CD, CRD
   • Diet
   • https://doi.org….1159/000046740