| independent | |
| abbr. | ind; indep |
| THE | |
| abbr. | Thomas Hewitt Edward Cat; Turds Hear Evil |
| abbr. avia. | Teresina, PI, Brazil |
| abbr. law | THREE HOURS EXTRA Television privileges |
| abbr. med. | Tetrahydrocortisone E; Tonic Hind Limb Extension; Transhepatic Embolization; Transhiatal Esophagectomy; Tropical Hypereosinophilia |
| abbr. physiol. med. | Thermometer |
| PLOT | |
| abbr. | Porous Layer Open Tubular |
| abbr. chromat. | porous layer open tubular |
| abbr. el. | plotter for three-dimensional resist image; plug on terminator |
| abbr. IT | Vector graphics |
| abbr. mil. avia. | plotting |
| abbr. oil | porous-layer open tubular columns |
| mil. abbr. | probability of launch on time |
| Plot. | |
| abbr. earth.sc. | plotting |
| window | |
| abbr. | wd; woo |
| abbr. auto. | Wdo/WDO.; WNDO/wndo |