| FLICC | Federal Library and Information Center Committee |
|---|---|
| FRC | Federal Radiation Council; frozen red cells; functional reserve capacity; functional residual capaci... |
| FREIR | Federal Research on Biological and Health Effects of Ionizing Radiation |
| FTC | Federal Trade Commission; follicular thyroid carcinoma; frequency threshold curve; frequency tuning ... |
| FWPCA | Federal Water Pollution Control Administration |