| AC50 | activity concentration at 50% |
| ACC | active concentration at cutoff |
| bmad | baseline median absolute deviation |
| BRA | Brachyury |
| DevTox | developmental toxicity |
| Endo | endoderm |
| EPA | Environmental Protection Agency |
| ESC | embryonic stem cell |
| hPSC | human pluripotent stem cell |
| hPST | human pluripotent stem cell test |
| IC50 | inhibition concentration at 50% |
| mEST | mouse Embryonic Stem Cell Test |
| NAM | new approach method |
| OECD | Organization of Economic-Co-operation and Development |
| PSC | pluripotent stem cell |
| rCV | robust coefficient of variation |
| RUES2-GLR | Rockefeller University Embryonic Stem cell line 2–Germ Layer Reporter |
| rZ’ | robust Z-prime factor |
| SOX17 | SRY-box transcription factor 17 |
| SOX2 | SRY-box transcription factor 2 |
| tcpl | ToxCast Pipeline |
| TGF-β | transforming growth factor β |
| TSCA | Toxic Substance Control Act |