There are multiple definitions:

1. range of motion(English)

   • CMP, TKA, INIT, MET, NDI, SCS, TrP, VAS, ICR, FROM, PROM, ROF
   • Physical therapy, Musculoskeletal system, Sports medicine
   • https://doi.org…X12595770849605

2. read only memory(English)

   • EPROM, PROM, RAM
   • Computing (biomedical)

3. routine outcome monitoring(English)

   • RCT
   • Quality and outcomes, Monitoring

4. rupture of membranes(English)

   • AROM, PROM, SROM, RBOW
   • Obstetrics