| BAO | baryon acoustic oscillation |
| CAA | Committee on Astronomy and Astrophysics |
| CCS | Core Community Survey |
| DRM | Roman Observations and Design Reference Mission, February 24 slide presentation |
| EML | Exoplanet Microlensing |
| FoM | figure of merit |
| GA | general astrophysics |
| GBTD | Galactic Bulge Time Domain |
| GO | guest observer |
| HLIS | High Latitude Imaging Survey |
| HLSS | High Latitude Spectroscopic Survey |
| HLTD | High Latitude Time Domain |
| HLWA | High Latitude Wide Area |
| IPAC | Infrared Processing and Analysis Center |
| JPL | Jet Propulsion Laboratory |
| NASA | National Aeronautics and Space Administration |
| NWNH | New Worlds, New Horizons in Astronomy and Astrophysics report |
| ROWG | Roman Observations Working Group |
| RSD | red-shift space distortion |
| SDT-13 | Wide-Field InfraRed Survey Telescope-Astrophysics Focused Telescope Assets WFIRST-AFTA Final Report |
| SDT-15 | Wide-Field InfraRed Survey Telescope-Astrophysics Focused Telescope Assets WFIRST-AFTA 2015 Report |
| SN | supernova |
| SRD | Roman Space Telescope Science Requirements Document, RST-SYS-REQ-0020, Revision C |
| STAC | super time allocation committee |
| STScI | Space Telescope Science Institute |
| TAC | time allocation committee |
| TESS | Transiting Exoplanet Survey Satellite |
| WFIRST | Wide-Field InfraRed Survey Telescope |
| WG | working group |
| WL | weak lensing |