There are multiple definitions:

1. multiple sclerosis nonfatigue(English)

   • EDSS, FSS, MSF, MSND
   • Depression, Disability, Fatigue
   • https://doi.org…245850000600308

2. multisource noise field(English)

   • e.g. consisting of a four-loudspeaker array with independent noise sources and a single source in frontal position
   • OlSa, BBSS, CI, SCINNH
   • Audiology, Signal analysis
   • https://doi.org…b013e318272f189
   • https://doi.org…000000000001963